problem stringlengths 429 429 | answer stringlengths 161 161 | difficulty stringclasses 3
values | num_empty int64 30 50 |
|---|---|---|---|
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
9 4 . 1 2 8 . 5 7
6 5 7 . 9 . . . .
. . . 6 7 . 9 4 .
. . . 4 3 7 2 1 5
. 3 4 . . . 7 . .
5 . 1 . 6 . . . .
7 . 5 2 1 3 4 6 .
. . 6 . 4 . 5 ... | 9 4 3 1 2 8 6 5 7
6 5 7 3 9 4 8 2 1
1 2 8 6 7 5 9 4 3
8 6 9 4 3 7 2 1 5
2 3 4 5 8 1 7 9 6
5 7 1 9 6 2 3 8 4
7 8 5 2 1 3 4 6 9
3 1 6 8 4 9 5 7 2
4 9 2 7 5 6 1 3 8 | medium | 37 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 1 . 4 . . 6
6 5 1 9 8 . . . .
. 7 3 5 6 . 9 8 1
. . . 8 9 6 . 3 7
. 8 . 7 2 . . 5 9
. 6 . . . 5 8 . .
2 . 8 . 7 9 3 . .
. 3 6 . . . . ... | 8 9 2 1 3 4 5 7 6
6 5 1 9 8 7 2 4 3
4 7 3 5 6 2 9 8 1
1 2 5 8 9 6 4 3 7
3 8 4 7 2 1 6 5 9
9 6 7 3 4 5 8 1 2
2 1 8 4 7 9 3 6 5
5 3 6 2 1 8 7 9 4
7 4 9 6 5 3 1 2 8 | medium | 37 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 8 . . . . 6
. . . 1 5 . . . .
3 . 5 2 . . . . 9
9 . . . . . . . .
4 . 7 . . . . 3 8
. 6 3 . . . . 2 .
. . 8 4 7 2 6 9 .
2 . . 9 . 6 5 ... | 7 2 1 8 9 4 3 5 6
8 9 6 1 5 3 2 4 7
3 4 5 2 6 7 8 1 9
9 8 2 3 1 5 7 6 4
4 5 7 6 2 9 1 3 8
1 6 3 7 4 8 9 2 5
5 3 8 4 7 2 6 9 1
2 1 4 9 8 6 5 7 3
6 7 9 5 3 1 4 8 2 | hard | 50 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 7 . 9 1 2 3 . 5
3 5 1 8 6 . 7 9 .
. . . 3 7 5 . 8 4
. . 3 . 9 7 . . 6
. 9 7 1 2 6 . 3 8
. . 5 4 . 3 . 1 .
7 . . 2 . 8 6 . .
6 3 . 7 5 . . ... | 8 7 4 9 1 2 3 6 5
3 5 1 8 6 4 7 9 2
9 2 6 3 7 5 1 8 4
1 8 3 5 9 7 2 4 6
4 9 7 1 2 6 5 3 8
2 6 5 4 8 3 9 1 7
7 4 9 2 3 8 6 5 1
6 3 8 7 5 1 4 2 9
5 1 2 6 4 9 8 7 3 | easy | 32 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . . . 1 3 . .
2 4 . 9 6 . . 7 .
. . 8 5 . . 9 . .
. . 9 1 . 7 . 5 .
. 2 1 . . . 7 8 .
4 7 . . . 5 2 . 9
. . . . . 9 6 . 7
. 9 . 7 . . 1 ... | 9 6 7 2 8 1 3 4 5
2 4 5 9 6 3 8 7 1
1 3 8 5 7 4 9 6 2
3 8 9 1 2 7 4 5 6
5 2 1 4 9 6 7 8 3
4 7 6 8 3 5 2 1 9
8 5 4 3 1 9 6 2 7
6 9 2 7 5 8 1 3 4
7 1 3 6 4 2 5 9 8 | medium | 48 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 8 2 . 3 . 6
6 7 2 . . 1 8 . 4
3 8 5 4 . 6 7 1 .
1 2 . 7 8 . 5 3 9
8 . 7 . . 5 4 . .
4 . 9 2 1 . 6 . .
. . . 1 7 . . 6 3
. 1 8 6 . 2 9 ... | 9 4 1 8 2 7 3 5 6
6 7 2 3 5 1 8 9 4
3 8 5 4 9 6 7 1 2
1 2 6 7 8 4 5 3 9
8 3 7 9 6 5 4 2 1
4 5 9 2 1 3 6 7 8
5 9 4 1 7 8 2 6 3
7 1 8 6 3 2 9 4 5
2 6 3 5 4 9 1 8 7 | easy | 32 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
2 7 4 8 1 9 . 3 6
. 6 1 . 5 4 8 9 .
9 8 5 . . . . . 4
. 1 2 . 3 . 7 4 9
4 . . 1 . 7 . . 5
6 5 . 9 . 8 . 2 .
5 . 8 7 . 1 . 6 .
. 3 9 4 . . . ... | 2 7 4 8 1 9 5 3 6
3 6 1 2 5 4 8 9 7
9 8 5 3 7 6 2 1 4
8 1 2 6 3 5 7 4 9
4 9 3 1 2 7 6 8 5
6 5 7 9 4 8 3 2 1
5 2 8 7 9 1 4 6 3
7 3 9 4 6 2 1 5 8
1 4 6 5 8 3 9 7 2 | medium | 35 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 1 . . 2 3 . . .
. . 6 1 . . . . .
. 2 . . 6 4 . 8 .
1 . . . 5 . . 6 8
. . 8 4 9 . . 5 .
2 . . . . . 7 . 1
. 6 . . . 8 . . 3
. 4 . 6 . . 8 ... | 4 1 9 8 2 3 6 7 5
8 5 6 1 7 9 2 3 4
3 2 7 5 6 4 1 8 9
1 3 4 2 5 7 9 6 8
6 7 8 4 9 1 3 5 2
2 9 5 3 8 6 7 4 1
5 6 2 7 1 8 4 9 3
9 4 1 6 3 5 8 2 7
7 8 3 9 4 2 5 1 6 | medium | 47 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 9 . . 8 . 6 5 .
. 7 . 1 . . . 8 .
4 . 8 6 . 7 2 1 9
2 . . . . . . 3 .
3 . 4 9 7 . . . 8
. . 1 . 3 5 . . 2
. 4 6 7 . 3 8 2 .
. 2 . . . 8 . ... | 1 9 2 3 8 4 6 5 7
6 7 5 1 2 9 3 8 4
4 3 8 6 5 7 2 1 9
2 8 9 4 6 1 7 3 5
3 5 4 9 7 2 1 6 8
7 6 1 8 3 5 9 4 2
5 4 6 7 9 3 8 2 1
9 2 3 5 1 8 4 7 6
8 1 7 2 4 6 5 9 3 | medium | 43 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 7 3 1 . 5 . 6
. 6 . 9 8 5 2 3 .
5 3 2 . . 7 1 9 8
2 1 . . 3 . 9 . .
. . . 1 5 . 6 8 2
. 8 9 . . 4 3 5 .
7 . . . . . 8 1 .
. . . 7 . . . ... | 8 9 7 3 1 2 5 4 6
1 6 4 9 8 5 2 3 7
5 3 2 6 4 7 1 9 8
2 1 5 8 3 6 9 7 4
4 7 3 1 5 9 6 8 2
6 8 9 2 7 4 3 5 1
7 4 6 5 2 3 8 1 9
9 5 8 7 6 1 4 2 3
3 2 1 4 9 8 7 6 5 | medium | 37 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
9 5 7 1 8 2 4 . .
. 4 . . . 3 2 7 .
. . . . . . . 9 8
8 2 . . . . . 5 .
. 1 6 . 2 7 . 3 .
. 3 . . . . . 8 2
4 9 1 3 7 5 8 . 6
. 8 3 6 . . 5 ... | 9 5 7 1 8 2 4 6 3
1 4 8 9 6 3 2 7 5
3 6 2 7 5 4 1 9 8
8 2 9 4 3 6 7 5 1
5 1 6 8 2 7 9 3 4
7 3 4 5 9 1 6 8 2
4 9 1 3 7 5 8 2 6
2 8 3 6 4 9 5 1 7
6 7 5 2 1 8 3 4 9 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 6 9 . 8 . . 4 .
. . 5 9 . . . 2 6
. 2 . . . 5 . 3 9
8 . 2 5 4 9 7 6 .
. . . . . 7 2 . 5
. 5 . . . 6 9 . .
. 9 1 6 . . 4 . .
. 8 . . 5 . 6 ... | 1 6 9 2 8 3 5 4 7
4 3 5 9 7 1 8 2 6
7 2 8 4 6 5 1 3 9
8 1 2 5 4 9 7 6 3
9 4 6 3 1 7 2 8 5
3 5 7 8 2 6 9 1 4
5 9 1 6 3 8 4 7 2
2 8 3 7 5 4 6 9 1
6 7 4 1 9 2 3 5 8 | medium | 44 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . . . . . 4 .
. . 6 3 9 4 . 2 7
1 . . 7 6 5 . . .
. . . 4 . . 6 7 .
. 8 . . 2 . 3 9 .
. . . . 3 . 2 . .
. 6 . 2 . . . . .
7 . 4 . . 8 9 ... | 3 7 9 8 1 2 5 4 6
8 5 6 3 9 4 1 2 7
1 4 2 7 6 5 8 3 9
2 9 3 4 8 1 6 7 5
4 8 7 5 2 6 3 9 1
6 1 5 9 3 7 2 8 4
9 6 1 2 7 3 4 5 8
7 2 4 1 5 8 9 6 3
5 3 8 6 4 9 7 1 2 | medium | 48 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 7 1 9 5 2 . 6
1 9 4 . . . 7 3 .
2 5 6 4 3 . . 8 .
9 8 5 3 1 6 4 7 2
3 6 . 7 . 4 . 1 .
7 4 1 9 8 2 . . 3
4 . . . 2 . . . 7
. . . 6 4 9 3 ... | 8 3 7 1 9 5 2 4 6
1 9 4 2 6 8 7 3 5
2 5 6 4 3 7 1 8 9
9 8 5 3 1 6 4 7 2
3 6 2 7 5 4 9 1 8
7 4 1 9 8 2 6 5 3
4 1 9 5 2 3 8 6 7
5 7 8 6 4 9 3 2 1
6 2 3 8 7 1 5 9 4 | easy | 30 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 3 . . 8 . 5 . 4
. 8 2 . . . . . 7
4 6 . 7 . 3 8 1 .
. . . 9 . 8 6 4 .
8 9 . 4 7 5 . . 3
. 5 4 3 . 6 . . 9
9 4 . 8 . 1 2 . .
6 7 . 2 4 . 3 ... | 7 3 9 1 8 2 5 6 4
1 8 2 5 6 4 9 3 7
4 6 5 7 9 3 8 1 2
3 1 7 9 2 8 6 4 5
8 9 6 4 7 5 1 2 3
2 5 4 3 1 6 7 8 9
9 4 3 8 5 1 2 7 6
6 7 1 2 4 9 3 5 8
5 2 8 6 3 7 4 9 1 | medium | 38 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 6 . . 4 2 . . 5
7 . . . 8 . 9 . .
9 . 2 . 7 3 . 1 .
1 8 . . . 9 6 3 .
. 9 . . . . . . .
. . . . 1 7 . . .
6 . 8 2 5 . . . 3
. . . . 6 1 2 ... | 8 6 1 9 4 2 3 7 5
7 3 4 1 8 5 9 6 2
9 5 2 6 7 3 8 1 4
1 8 5 4 2 9 6 3 7
2 9 7 5 3 6 4 8 1
3 4 6 8 1 7 5 2 9
6 1 8 2 5 4 7 9 3
4 7 9 3 6 1 2 5 8
5 2 3 7 9 8 1 4 6 | hard | 50 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
8 6 . . 2 . 3 7 5
. . . 3 . . 6 . .
. . 5 . . . . . 9
. . . . . 3 9 . 7
. . . . 1 . 5 . 8
. 3 . . 9 . 2 . 4
. . . . 3 2 . 8 6
7 2 . . 4 . 1 ... | 8 6 4 1 2 9 3 7 5
2 7 9 3 5 8 6 4 1
3 1 5 6 7 4 8 2 9
5 8 2 4 6 3 9 1 7
4 9 6 2 1 7 5 3 8
1 3 7 8 9 5 2 6 4
9 5 1 7 3 2 4 8 6
7 2 8 9 4 6 1 5 3
6 4 3 5 8 1 7 9 2 | medium | 48 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 6 9 1 . 2 . 7 .
2 . 1 . 7 . . 6 3
5 3 7 9 4 . . 8 .
3 . 6 . 9 . . 2 5
4 7 2 8 6 5 . 9 1
. . 5 3 2 7 . 4 8
. 9 . . . 4 8 1 .
. 5 4 7 8 . 2 ... | 8 6 9 1 3 2 5 7 4
2 4 1 5 7 8 9 6 3
5 3 7 9 4 6 1 8 2
3 8 6 4 9 1 7 2 5
4 7 2 8 6 5 3 9 1
9 1 5 3 2 7 6 4 8
6 9 3 2 5 4 8 1 7
1 5 4 7 8 9 2 3 6
7 2 8 6 1 3 4 5 9 | easy | 32 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 6 3 1 . 8 9 7 5
. 1 . . . 3 2 . 6
4 7 . . . 6 . . 1
. . 5 4 . . . 6 .
. . 4 . 3 . . . .
. . 7 . 6 . 5 . 4
3 . . . . 7 . . 8
. 8 . . 2 . . ... | 2 6 3 1 4 8 9 7 5
5 1 8 9 7 3 2 4 6
4 7 9 2 5 6 8 3 1
8 2 5 4 1 9 7 6 3
6 9 4 7 3 5 1 8 2
1 3 7 8 6 2 5 9 4
3 5 1 6 9 7 4 2 8
9 8 6 5 2 4 3 1 7
7 4 2 3 8 1 6 5 9 | medium | 46 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
2 7 . 8 . . 3 . .
8 1 . 2 4 . 9 7 6
3 . . . . 7 8 1 .
1 3 . . 2 8 4 6 5
. . . 6 3 5 7 . .
5 6 8 1 7 4 2 9 .
7 2 1 . 9 6 . . .
. 8 . 4 . 2 1 ... | 2 7 6 8 1 9 3 5 4
8 1 5 2 4 3 9 7 6
3 9 4 5 6 7 8 1 2
1 3 7 9 2 8 4 6 5
9 4 2 6 3 5 7 8 1
5 6 8 1 7 4 2 9 3
7 2 1 3 9 6 5 4 8
6 8 9 4 5 2 1 3 7
4 5 3 7 8 1 6 2 9 | easy | 34 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
8 . . . . 9 . 4 .
7 . 5 8 . . 9 1 .
9 . 4 . 7 6 2 3 8
. . 7 9 . 8 6 5 .
. 5 8 1 6 3 7 2 .
2 . . 7 4 . . . 1
5 . 9 3 8 . . 6 2
. . 2 4 . 7 . ... | 8 6 3 2 1 9 5 4 7
7 2 5 8 3 4 9 1 6
9 1 4 5 7 6 2 3 8
1 3 7 9 2 8 6 5 4
4 5 8 1 6 3 7 2 9
2 9 6 7 4 5 3 8 1
5 7 9 3 8 1 4 6 2
6 8 2 4 5 7 1 9 3
3 4 1 6 9 2 8 7 5 | medium | 35 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 4 3 . . 9 2 . 6
. . . 5 4 6 3 8 7
. . . . . . . . 9
9 . . . . . 6 2 3
. . 4 . 7 3 . . 8
. 1 . . . . 5 7 .
. 3 9 7 . . 4 . .
. . . . 1 . . ... | 7 4 3 1 8 9 2 5 6
1 9 2 5 4 6 3 8 7
8 6 5 2 3 7 1 4 9
9 8 7 4 5 1 6 2 3
2 5 4 6 7 3 9 1 8
3 1 6 8 9 2 5 7 4
5 3 9 7 2 8 4 6 1
6 2 8 3 1 4 7 9 5
4 7 1 9 6 5 8 3 2 | medium | 46 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 3 6 . . 8 9 5 .
. . . . 7 . 2 4 .
7 . . 4 5 . . 8 3
1 8 . 6 . 7 . . .
. . . . . . 7 . .
6 5 7 3 . . . 2 .
2 7 . . . . . . 4
3 6 . . 1 . . ... | 4 3 6 1 2 8 9 5 7
5 1 8 9 7 3 2 4 6
7 2 9 4 5 6 1 8 3
1 8 2 6 4 7 5 3 9
9 4 3 2 8 5 7 6 1
6 5 7 3 9 1 4 2 8
2 7 5 8 6 9 3 1 4
3 6 4 7 1 2 8 9 5
8 9 1 5 3 4 6 7 2 | medium | 49 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
1 . 8 2 . 9 4 7 5
3 4 2 8 . 7 . . .
. . 5 4 . . . 8 .
. 5 . 1 7 3 9 . 8
8 . . 6 2 4 . 3 7
. . . . 9 . . 2 1
5 2 4 7 . 1 3 6 9
9 7 1 . . 2 8 ... | 1 6 8 2 3 9 4 7 5
3 4 2 8 5 7 1 9 6
7 9 5 4 1 6 2 8 3
2 5 6 1 7 3 9 4 8
8 1 9 6 2 4 5 3 7
4 3 7 5 9 8 6 2 1
5 2 4 7 8 1 3 6 9
9 7 1 3 6 2 8 5 4
6 8 3 9 4 5 7 1 2 | easy | 33 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
2 . 4 . 3 . 6 . 5
1 . . 2 . . 3 . 4
. . 6 . . 4 . 8 2
8 6 . 4 2 . . 5 3
9 2 . 3 1 5 . . 8
5 4 . 7 . . 2 1 9
. . 5 . 7 3 . 2 .
. . 9 . 4 2 . ... | 2 9 4 8 3 1 6 7 5
1 5 8 2 6 7 3 9 4
7 3 6 9 5 4 1 8 2
8 6 1 4 2 9 7 5 3
9 2 7 3 1 5 4 6 8
5 4 3 7 8 6 2 1 9
4 8 5 6 7 3 9 2 1
6 1 9 5 4 2 8 3 7
3 7 2 1 9 8 5 4 6 | medium | 36 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . . 1 . 5 7 3
. . . . . 4 . 1 2
3 1 2 5 6 . 4 9 8
1 . 3 6 4 . 7 5 9
9 5 . . . . 8 2 .
. . 6 2 9 . 3 . .
2 3 . 7 5 6 1 8 4
5 . 1 3 8 9 2 ... | 4 6 8 9 1 2 5 7 3
7 9 5 8 3 4 6 1 2
3 1 2 5 6 7 4 9 8
1 2 3 6 4 8 7 5 9
9 5 4 1 7 3 8 2 6
8 7 6 2 9 5 3 4 1
2 3 9 7 5 6 1 8 4
5 4 1 3 8 9 2 6 7
6 8 7 4 2 1 9 3 5 | easy | 32 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 8 2 1 . 7 5 .
7 6 . 3 . . . 9 4
. . . 4 . . . . 3
. . . . 5 6 . 7 .
. 7 . . 2 . . 3 .
1 2 . . . . 9 . .
. . 5 . . . . 2 .
. . 7 5 9 . 6 ... | 4 3 8 2 1 9 7 5 6
7 6 1 3 8 5 2 9 4
9 5 2 4 6 7 8 1 3
8 9 3 1 5 6 4 7 2
5 7 6 9 2 4 1 3 8
1 2 4 8 7 3 9 6 5
6 1 5 7 4 8 3 2 9
3 8 7 5 9 2 6 4 1
2 4 9 6 3 1 5 8 7 | medium | 49 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 2 . 8 . 9 3 6 .
. 1 5 . . . . 4 7
. . . . . . 1 9 2
. . 6 . 9 2 5 7 .
. 7 8 . . 4 . . .
2 . . . . 8 . 3 .
. . 2 . . 1 7 5 4
7 . 1 6 . . 2 ... | 4 2 7 8 1 9 3 6 5
9 1 5 3 2 6 8 4 7
8 6 3 4 5 7 1 9 2
3 4 6 1 9 2 5 7 8
1 7 8 5 3 4 6 2 9
2 5 9 7 6 8 4 3 1
6 3 2 9 8 1 7 5 4
7 9 1 6 4 5 2 8 3
5 8 4 2 7 3 9 1 6 | medium | 45 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
1 . 9 2 . . 6 7 .
8 3 5 9 . 7 . 4 .
2 6 7 . 1 4 5 9 8
. 8 . 4 . . . 6 5
9 . . . 5 . 7 3 .
5 . 4 6 . 3 2 8 1
. . . 7 . 1 8 . 6
6 5 3 . . 9 . ... | 1 4 9 2 8 5 6 7 3
8 3 5 9 6 7 1 4 2
2 6 7 3 1 4 5 9 8
3 8 1 4 7 2 9 6 5
9 2 6 1 5 8 7 3 4
5 7 4 6 9 3 2 8 1
4 9 2 7 3 1 8 5 6
6 5 3 8 2 9 4 1 7
7 1 8 5 4 6 3 2 9 | easy | 30 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 4 . 2 1 9 3 7
3 8 9 . 7 6 . . .
7 2 . 9 . 3 . 4 .
2 . 5 3 1 . . 6 .
. 4 . 6 9 5 3 . .
6 1 3 2 4 . 5 7 9
9 5 . . 3 2 7 8 .
. 3 8 7 6 . 2 ... | 5 6 4 8 2 1 9 3 7
3 8 9 4 7 6 1 2 5
7 2 1 9 5 3 8 4 6
2 9 5 3 1 7 4 6 8
8 4 7 6 9 5 3 1 2
6 1 3 2 4 8 5 7 9
9 5 6 1 3 2 7 8 4
4 3 8 7 6 9 2 5 1
1 7 2 5 8 4 6 9 3 | easy | 30 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
8 4 . 2 9 3 . . 7
. . . . . 7 2 9 4
. . 9 5 6 4 . 3 1
1 . 4 9 3 2 . 5 6
2 3 . 8 5 . 4 . 9
. . . 4 7 . 3 2 8
5 . 3 7 . 9 1 . .
9 7 2 . 1 8 . ... | 8 4 1 2 9 3 5 6 7
3 5 6 1 8 7 2 9 4
7 2 9 5 6 4 8 3 1
1 8 4 9 3 2 7 5 6
2 3 7 8 5 6 4 1 9
6 9 5 4 7 1 3 2 8
5 6 3 7 4 9 1 8 2
9 7 2 3 1 8 6 4 5
4 1 8 6 2 5 9 7 3 | easy | 30 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 2 . . . 8 . 7 .
. 6 . 2 . 4 . 1 3
. 1 . . 7 6 . 2 4
1 9 . . 8 . . 5 6
. 8 5 7 6 . 4 . .
6 7 4 9 1 . . 8 .
. 3 6 . . 1 . 4 7
2 . 8 . 4 . . ... | 4 2 9 1 3 8 6 7 5
5 6 7 2 9 4 8 1 3
8 1 3 5 7 6 9 2 4
1 9 2 4 8 3 7 5 6
3 8 5 7 6 2 4 9 1
6 7 4 9 1 5 3 8 2
9 3 6 8 5 1 2 4 7
2 5 8 3 4 7 1 6 9
7 4 1 6 2 9 5 3 8 | medium | 36 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 4 . . . . 5 3 .
1 3 . . 8 7 9 . 4
. 9 2 . 4 . . 8 6
. . 4 8 . 3 7 . 2
. 6 . . . . . . .
. 8 . . 2 . . 1 3
3 . 8 7 1 . . 9 .
. 7 . 5 . . 2 ... | 8 4 6 1 9 2 5 3 7
1 3 5 6 8 7 9 2 4
7 9 2 3 4 5 1 8 6
9 1 4 8 5 3 7 6 2
2 6 3 4 7 1 8 5 9
5 8 7 9 2 6 4 1 3
3 2 8 7 1 4 6 9 5
6 7 1 5 3 9 2 4 8
4 5 9 2 6 8 3 7 1 | medium | 45 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 2 . 9 4 5 7
. 8 4 5 7 . 1 . 6
. . 7 4 . . . 2 .
. . . . 4 5 7 6 .
. 9 . . 6 7 . . 4
. . . 1 . 2 5 . .
. . 9 . . . . 4 .
. 4 2 . . . 6 ... | 3 6 1 2 8 9 4 5 7
2 8 4 5 7 3 1 9 6
9 5 7 4 1 6 8 2 3
8 2 3 9 4 5 7 6 1
1 9 5 8 6 7 2 3 4
4 7 6 1 3 2 5 8 9
6 1 9 7 2 8 3 4 5
5 4 2 3 9 1 6 7 8
7 3 8 6 5 4 9 1 2 | medium | 46 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
3 4 . . 2 . 5 7 6
1 7 5 9 3 . . . 8
2 . . 5 4 7 . . 9
8 1 4 . 5 . . . 3
. 3 . 4 . . . . 2
. 6 2 7 9 3 4 8 1
. . 3 2 8 5 . . .
6 2 8 1 7 4 9 ... | 3 4 9 8 2 1 5 7 6
1 7 5 9 3 6 2 4 8
2 8 6 5 4 7 3 1 9
8 1 4 6 5 2 7 9 3
9 3 7 4 1 8 6 5 2
5 6 2 7 9 3 4 8 1
7 9 3 2 8 5 1 6 4
6 2 8 1 7 4 9 3 5
4 5 1 3 6 9 8 2 7 | easy | 31 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 . 8 2 . 3 6 7 5
2 . 7 9 . . . . 8
6 . . . 7 8 . . .
. 4 . . . 7 . 2 6
. 7 2 8 . . 4 . 1
5 6 . 3 . 2 . 8 .
1 8 6 5 . 4 . . 7
. 5 . 7 . . 8 ... | 4 9 8 2 1 3 6 7 5
2 3 7 9 6 5 1 4 8
6 1 5 4 7 8 9 3 2
8 4 9 1 5 7 3 2 6
3 7 2 8 9 6 4 5 1
5 6 1 3 4 2 7 8 9
1 8 6 5 3 4 2 9 7
9 5 3 7 2 1 8 6 4
7 2 4 6 8 9 5 1 3 | easy | 34 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 6 . 1 . 4 . .
5 7 . 2 4 . . . .
. . 3 8 . . . 1 6
. 9 7 1 . 8 5 . .
. . . . . . . . .
. 6 5 7 . . 3 . 1
. 1 . 5 3 . 6 . 2
. . 2 . . 7 . ... | 8 2 6 9 1 3 4 5 7
5 7 1 2 4 6 9 3 8
9 4 3 8 7 5 2 1 6
3 9 7 1 6 8 5 2 4
1 8 4 3 5 2 7 6 9
2 6 5 7 9 4 3 8 1
7 1 8 5 3 9 6 4 2
4 5 2 6 8 7 1 9 3
6 3 9 4 2 1 8 7 5 | medium | 48 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 8 . 1 9 2 . 5 7
. 7 . . 5 . . . 2
. . . 6 . 7 . . 3
1 . 2 5 3 . 6 . .
. 9 . 2 . . . 4 .
3 . 7 9 . . . . .
. 5 . . . . . 3 .
. 3 . 7 6 . 1 ... | 6 8 3 1 9 2 4 5 7
9 7 1 3 5 4 8 6 2
5 2 4 6 8 7 9 1 3
1 4 2 5 3 8 6 7 9
8 9 5 2 7 6 3 4 1
3 6 7 9 4 1 2 8 5
2 5 6 8 1 9 7 3 4
4 3 9 7 6 5 1 2 8
7 1 8 4 2 3 5 9 6 | medium | 48 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 5 8 1 2 . 4 3 6
. 3 9 . . . . . 5
. . . 3 6 . 7 . 9
1 . 5 . 4 . . . .
9 . . . 1 8 5 . 4
. 7 . . . . 2 . 3
5 . 6 9 8 . . . .
. . 2 . 5 7 8 ... | 7 5 8 1 2 9 4 3 6
6 3 9 8 7 4 1 2 5
2 4 1 3 6 5 7 8 9
1 2 5 7 4 3 6 9 8
9 6 3 2 1 8 5 7 4
8 7 4 5 9 6 2 1 3
5 1 6 9 8 2 3 4 7
3 9 2 4 5 7 8 6 1
4 8 7 6 3 1 9 5 2 | medium | 43 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
3 . 8 . 9 . . . .
. . 5 . . 4 . . 7
. 9 4 5 7 . . . 3
. . . . 1 . 5 . 6
5 3 . 7 . 9 . 2 8
. . . 6 . 5 . 3 .
. 8 9 . 6 . . . .
4 . . . . . . ... | 3 7 8 1 9 2 4 6 5
6 1 5 3 8 4 2 9 7
2 9 4 5 7 6 8 1 3
9 2 7 8 1 3 5 4 6
5 3 6 7 4 9 1 2 8
8 4 1 6 2 5 7 3 9
7 8 9 4 6 1 3 5 2
4 5 2 9 3 7 6 8 1
1 6 3 2 5 8 9 7 4 | medium | 48 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 2 5 8 9 . 3 6 .
7 . . . 3 6 . 1 4
3 6 . . 7 . . 9 .
2 . 9 5 8 . . . 1
. . 7 6 . . . 5 3
. 3 6 . 1 . 2 . .
. . 2 . 6 8 4 3 .
. 7 4 3 . . 1 ... | 4 2 5 8 9 1 3 6 7
7 9 8 2 3 6 5 1 4
3 6 1 4 7 5 8 9 2
2 4 9 5 8 3 6 7 1
8 1 7 6 2 4 9 5 3
5 3 6 9 1 7 2 4 8
1 5 2 7 6 8 4 3 9
9 7 4 3 5 2 1 8 6
6 8 3 1 4 9 7 2 5 | medium | 39 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 8 . 1 3 2 . . 6
. . . . 7 4 8 5 .
. . . 5 . . . . 2
. . 1 . . 7 . 4 9
4 7 6 8 . . . . 1
2 . 9 6 . . . 8 .
. . . . . . 7 . 5
5 1 . . . . 3 ... | 9 8 5 1 3 2 4 7 6
1 6 2 9 7 4 8 5 3
7 4 3 5 8 6 9 1 2
8 5 1 3 2 7 6 4 9
4 7 6 8 5 9 2 3 1
2 3 9 6 4 1 5 8 7
6 2 8 4 1 3 7 9 5
5 1 7 2 9 8 3 6 4
3 9 4 7 6 5 1 2 8 | medium | 47 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . . 9 . 5 3 7
. 5 . 8 3 . 1 6 .
. . 2 5 . . 9 4 8
8 . 5 4 7 . 6 9 3
. . . . 8 3 4 7 .
7 . . 9 . 6 2 . 1
. . 7 6 4 . 3 . 9
. 3 . 7 2 . . ... | 1 6 8 2 9 4 5 3 7
9 5 4 8 3 7 1 6 2
3 7 2 5 6 1 9 4 8
8 1 5 4 7 2 6 9 3
2 9 6 1 8 3 4 7 5
7 4 3 9 5 6 2 8 1
5 2 7 6 4 8 3 1 9
6 3 1 7 2 9 8 5 4
4 8 9 3 1 5 7 2 6 | medium | 38 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 2 9 4 6 . 7
4 7 . . 8 . . . 2
2 9 3 6 . 7 . . 4
9 . 2 . . 5 4 . 3
3 . 4 . . . . . .
. . . . 2 3 8 6 .
1 2 . . 3 6 . . .
7 . 5 9 4 8 . ... | 8 5 1 2 9 4 6 3 7
4 7 6 3 8 1 9 5 2
2 9 3 6 5 7 1 8 4
9 8 2 1 6 5 4 7 3
3 6 4 8 7 9 5 2 1
5 1 7 4 2 3 8 6 9
1 2 9 5 3 6 7 4 8
7 3 5 9 4 8 2 1 6
6 4 8 7 1 2 3 9 5 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 5 . . . 6 . . 7
6 8 3 2 . . . 9 5
. 2 . 1 . 5 6 4 8
8 1 . 6 5 3 4 . .
. 6 . . 7 2 8 5 1
. . 4 9 8 1 3 . 6
. . 6 . . . 5 . 4
. . . . 1 . 7 ... | 4 5 1 8 9 6 2 3 7
6 8 3 2 4 7 1 9 5
9 2 7 1 3 5 6 4 8
8 1 2 6 5 3 4 7 9
3 6 9 4 7 2 8 5 1
5 7 4 9 8 1 3 2 6
1 3 6 7 2 9 5 8 4
2 9 8 5 1 4 7 6 3
7 4 5 3 6 8 9 1 2 | medium | 37 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 8 . . 4 . . 6 .
4 . 6 . . 5 9 . .
. . . . . . . 4 1
1 3 2 . 8 . . . 6
. 6 . . 2 1 7 . .
. 7 . 3 . 9 . 1 .
. 9 . . . . . 2 .
3 . . 2 5 . . ... | 9 8 3 1 4 2 5 6 7
4 1 6 8 7 5 9 3 2
7 2 5 9 3 6 8 4 1
1 3 2 5 8 7 4 9 6
8 6 9 4 2 1 7 5 3
5 7 4 3 6 9 2 1 8
6 9 8 7 1 4 3 2 5
3 4 1 2 5 8 6 7 9
2 5 7 6 9 3 1 8 4 | hard | 50 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
7 9 . 8 . 2 . . 6
3 . . 1 6 4 8 7 .
. 6 4 . 7 9 2 . .
. 2 6 . . . 3 8 .
5 . . . 2 . 1 . .
1 4 . 9 . 5 7 6 .
6 . . . 5 8 . 2 .
. . 5 . . 1 9 ... | 7 9 1 8 3 2 5 4 6
3 5 2 1 6 4 8 7 9
8 6 4 5 7 9 2 1 3
9 2 6 4 1 7 3 8 5
5 8 7 3 2 6 1 9 4
1 4 3 9 8 5 7 6 2
6 3 9 7 5 8 4 2 1
2 7 5 6 4 1 9 3 8
4 1 8 2 9 3 6 5 7 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 1 9 2 . . 5
. . . 8 3 . . 6 .
. 3 . . . . 8 9 .
. 6 4 . . . . . 3
9 1 2 4 6 . 5 8 .
3 7 5 9 8 1 4 2 6
4 9 1 . . 8 . . .
7 . . 2 . 4 1 ... | 6 4 8 1 9 2 3 7 5
1 5 9 8 3 7 2 6 4
2 3 7 5 4 6 8 9 1
8 6 4 7 2 5 9 1 3
9 1 2 4 6 3 5 8 7
3 7 5 9 8 1 4 2 6
4 9 1 3 7 8 6 5 2
7 8 6 2 5 4 1 3 9
5 2 3 6 1 9 7 4 8 | medium | 38 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 6 . 9 . . . .
5 . 2 . . 4 1 . .
7 . 4 3 . . 8 9 .
. . . 9 2 7 6 . 5
. . 9 . . . 7 2 .
. 5 . 4 6 1 . . .
9 2 . 7 3 . . 1 .
. 7 1 . . 8 2 ... | 8 3 6 1 9 2 5 7 4
5 9 2 8 7 4 1 6 3
7 1 4 3 5 6 8 9 2
1 8 3 9 2 7 6 4 5
4 6 9 5 8 3 7 2 1
2 5 7 4 6 1 9 3 8
9 2 8 7 3 5 4 1 6
3 7 1 6 4 8 2 5 9
6 4 5 2 1 9 3 8 7 | medium | 44 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 8 1 . 2 . 4 6
4 1 . . . 5 . 7 2
. 2 3 . 7 6 5 8 .
1 3 . . . 9 7 6 5
6 9 . . 3 . . 1 8
. 5 7 6 2 . 4 . 3
. . . 7 . . 8 . .
3 4 5 . . 8 . ... | 5 7 8 1 9 2 3 4 6
4 1 6 3 8 5 9 7 2
9 2 3 4 7 6 5 8 1
1 3 2 8 4 9 7 6 5
6 9 4 5 3 7 2 1 8
8 5 7 6 2 1 4 9 3
2 6 1 7 5 4 8 3 9
3 4 5 9 6 8 1 2 7
7 8 9 2 1 3 6 5 4 | medium | 37 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 4 3 8 1 . 5 7 .
5 8 9 2 3 7 6 1 4
. . . . . 5 . . 3
8 7 1 9 4 2 . 5 .
4 5 6 . 8 . . . 9
9 3 . 7 . 6 8 4 .
1 . 8 6 7 . . 9 .
. . 5 1 . 4 2 ... | 6 4 3 8 1 9 5 7 2
5 8 9 2 3 7 6 1 4
2 1 7 4 6 5 9 8 3
8 7 1 9 4 2 3 5 6
4 5 6 3 8 1 7 2 9
9 3 2 7 5 6 8 4 1
1 2 8 6 7 3 4 9 5
7 6 5 1 9 4 2 3 8
3 9 4 5 2 8 1 6 7 | easy | 30 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
3 6 7 1 8 . 9 4 .
1 . 4 9 . . 8 . 6
. . . 5 . . . . .
. . . . . 4 7 6 3
6 . 3 . 5 9 . . .
. 7 . . 6 8 5 1 .
5 9 . 6 . . 4 . 7
. 3 . . 7 5 1 ... | 3 6 7 1 8 2 9 4 5
1 5 4 9 3 7 8 2 6
8 2 9 5 4 6 3 7 1
9 8 5 2 1 4 7 6 3
6 1 3 7 5 9 2 8 4
4 7 2 3 6 8 5 1 9
5 9 8 6 2 1 4 3 7
2 3 6 4 7 5 1 9 8
7 4 1 8 9 3 6 5 2 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
1 . 2 9 3 . 4 6 7
7 . . . 6 . . 8 5
8 4 . . 7 . 3 . 9
. . 5 . 2 3 . . 6
. 8 4 7 5 6 1 . 2
6 2 . 4 1 9 5 3 .
. . 8 . . . 9 7 1
2 7 3 . . 1 . ... | 1 5 2 9 3 8 4 6 7
7 3 9 1 6 4 2 8 5
8 4 6 2 7 5 3 1 9
9 1 5 8 2 3 7 4 6
3 8 4 7 5 6 1 9 2
6 2 7 4 1 9 5 3 8
5 6 8 3 4 2 9 7 1
2 7 3 6 9 1 8 5 4
4 9 1 5 8 7 6 2 3 | easy | 32 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 1 . . 6 5 .
. . . . . . 2 4 3
2 6 . . 5 7 . . .
1 . 7 . 4 9 3 6 5
5 . . . 7 1 4 . 2
9 4 2 . 6 5 . 1 8
. . 5 . . . 1 7 .
. . . . . . . ... | 8 9 4 1 2 3 6 5 7
7 5 1 9 8 6 2 4 3
2 6 3 4 5 7 9 8 1
1 8 7 2 4 9 3 6 5
5 3 6 8 7 1 4 9 2
9 4 2 3 6 5 7 1 8
4 2 5 6 3 8 1 7 9
3 7 9 5 1 4 8 2 6
6 1 8 7 9 2 5 3 4 | medium | 45 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
6 4 7 . 8 . 9 3 5
. 3 9 4 6 5 . . .
. 5 . . 3 . . 4 6
. . 3 . 4 . . 6 7
. 7 . . . . . . .
9 . . 7 . . . 2 1
7 9 4 5 2 1 6 8 .
3 1 8 . . . 2 ... | 6 4 7 1 8 2 9 3 5
8 3 9 4 6 5 7 1 2
2 5 1 9 3 7 8 4 6
1 2 3 8 4 9 5 6 7
4 7 5 2 1 6 3 9 8
9 8 6 7 5 3 4 2 1
7 9 4 5 2 1 6 8 3
3 1 8 6 7 4 2 5 9
5 6 2 3 9 8 1 7 4 | medium | 38 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
6 2 . . 9 . . 5 4
. 1 9 3 . 4 6 . .
4 . 3 6 . 5 1 2 9
. . 5 9 . . 2 7 .
8 9 6 . . . 5 4 .
2 7 . . . 6 9 3 .
9 4 . . . . . . 5
. . 1 4 8 . 7 ... | 6 2 7 8 9 1 3 5 4
5 1 9 3 2 4 6 8 7
4 8 3 6 7 5 1 2 9
1 3 5 9 4 8 2 7 6
8 9 6 2 3 7 5 4 1
2 7 4 5 1 6 9 3 8
9 4 2 7 6 3 8 1 5
3 5 1 4 8 9 7 6 2
7 6 8 1 5 2 4 9 3 | medium | 38 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 9 8 . 3 2 . 7 .
4 5 . . 7 6 . 2 .
. 1 . . . . 3 8 .
8 2 6 4 . . 5 3 7
5 4 9 . 6 7 . 1 .
. . . 5 . 8 . . .
9 . . 2 . . 8 4 .
. 3 5 . 8 . 7 ... | 6 9 8 1 3 2 4 7 5
4 5 3 8 7 6 1 2 9
7 1 2 9 4 5 3 8 6
8 2 6 4 1 9 5 3 7
5 4 9 3 6 7 2 1 8
3 7 1 5 2 8 9 6 4
9 6 7 2 5 1 8 4 3
2 3 5 6 8 4 7 9 1
1 8 4 7 9 3 6 5 2 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 8 . . 4 3 5
1 3 . . . 6 8 . .
. 5 9 . 3 . 2 . .
2 1 . 3 . . 6 7 4
9 4 . 7 . . . 8 .
. 6 7 . . . . . 9
3 . . 9 . . 7 6 .
. 9 . 5 . 3 . ... | 7 2 6 8 1 9 4 3 5
1 3 4 2 5 6 8 9 7
8 5 9 4 3 7 2 1 6
2 1 8 3 9 5 6 7 4
9 4 3 7 6 2 5 8 1
5 6 7 1 8 4 3 2 9
3 8 5 9 4 1 7 6 2
6 9 2 5 7 3 1 4 8
4 7 1 6 2 8 9 5 3 | medium | 44 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
1 . 6 9 . 3 7 2 4
8 . 2 . . . . 3 5
. 4 9 2 5 7 . . .
2 1 . 8 6 4 . . .
9 8 . 1 3 . . . .
. 6 4 7 . . 3 . .
. 2 . 3 7 . 8 . 6
. 9 8 . 4 1 . ... | 1 5 6 9 8 3 7 2 4
8 7 2 4 1 6 9 3 5
3 4 9 2 5 7 1 6 8
2 1 3 8 6 4 5 9 7
9 8 7 1 3 5 6 4 2
5 6 4 7 9 2 3 8 1
4 2 1 3 7 9 8 5 6
6 9 8 5 4 1 2 7 3
7 3 5 6 2 8 4 1 9 | medium | 35 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 5 9 . 8 2 3 6 7
. . 2 5 . . . . .
6 8 7 . 9 3 . 5 2
8 . . 3 . . 5 2 .
1 . 6 9 . 5 . 8 3
. 3 . 8 2 . 9 4 1
2 6 . 7 5 9 4 . 8
9 7 8 . 1 . 2 ... | 4 5 9 1 8 2 3 6 7
3 1 2 5 6 7 8 9 4
6 8 7 4 9 3 1 5 2
8 9 4 3 7 1 5 2 6
1 2 6 9 4 5 7 8 3
7 3 5 8 2 6 9 4 1
2 6 3 7 5 9 4 1 8
9 7 8 6 1 4 2 3 5
5 4 1 2 3 8 6 7 9 | easy | 32 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
6 . . 2 . . . 3 .
. . 7 . . . 1 . .
3 1 . . 5 7 8 4 2
1 . 2 5 8 . . 7 3
5 7 . 4 . . 6 1 .
4 . 6 . . . 2 5 9
2 . 8 3 4 5 7 . .
7 . 1 8 6 . 5 ... | 6 5 4 2 1 8 9 3 7
8 2 7 9 3 4 1 6 5
3 1 9 6 5 7 8 4 2
1 9 2 5 8 6 4 7 3
5 7 3 4 9 2 6 1 8
4 8 6 1 7 3 2 5 9
2 6 8 3 4 5 7 9 1
7 3 1 8 6 9 5 2 4
9 4 5 7 2 1 3 8 6 | medium | 35 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
3 1 . 9 . . . 4 6
. . . . 5 6 . . 1
. 8 . . 7 . . . .
. 3 . . . . . 5 8
8 . 4 . 3 7 . 2 .
. . . . 6 . 3 1 .
. 6 . . 9 . . . 2
. 2 3 . . 8 4 ... | 3 1 7 9 8 2 5 4 6
2 4 9 3 5 6 8 7 1
6 8 5 4 7 1 2 9 3
1 3 6 2 4 9 7 5 8
8 5 4 1 3 7 6 2 9
7 9 2 8 6 5 3 1 4
5 6 8 7 9 4 1 3 2
9 2 3 5 1 8 4 6 7
4 7 1 6 2 3 9 8 5 | medium | 49 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 1 . . 4 . 8
. 5 9 . 3 4 . . .
. 2 4 . . 7 1 9 .
9 1 . 3 4 2 . 8 .
2 . . . . . . 4 1
. 7 . 5 8 1 9 . .
3 8 1 4 6 5 7 2 .
. 4 . . 7 3 8 ... | 7 6 3 1 2 9 4 5 8
1 5 9 8 3 4 2 7 6
8 2 4 6 5 7 1 9 3
9 1 5 3 4 2 6 8 7
2 3 8 7 9 6 5 4 1
4 7 6 5 8 1 9 3 2
3 8 1 4 6 5 7 2 9
6 4 2 9 7 3 8 1 5
5 9 7 2 1 8 3 6 4 | easy | 34 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 . 1 2 9 3 6 7 5
. . 7 8 4 . 1 . .
5 . 2 . . 7 . 8 3
. 1 . . 7 . . . 4
2 . 6 . . 8 7 . 9
. . 4 . 1 6 2 . 8
1 4 . . 2 . 3 . 6
. . 5 . 8 . 9 ... | 4 8 1 2 9 3 6 7 5
6 3 7 8 4 5 1 9 2
5 9 2 1 6 7 4 8 3
8 1 3 9 7 2 5 6 4
2 5 6 4 3 8 7 1 9
9 7 4 5 1 6 2 3 8
1 4 8 7 2 9 3 5 6
3 2 5 6 8 1 9 4 7
7 6 9 3 5 4 8 2 1 | medium | 35 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
5 4 7 . 1 8 . 6 .
. . 8 . . . 4 1 .
. . . 4 . . 2 . 5
. . 6 . 3 . . 9 .
2 . 3 1 4 . . . .
. . . 7 . . 6 . 3
3 . 9 . . . . 7 .
7 . 2 . . . 5 ... | 5 4 7 2 1 8 3 6 9
6 2 8 9 5 3 4 1 7
9 3 1 4 6 7 2 8 5
8 7 6 5 3 2 1 9 4
2 9 3 1 4 6 7 5 8
4 1 5 7 8 9 6 2 3
3 5 9 6 2 4 8 7 1
7 8 2 3 9 1 5 4 6
1 6 4 8 7 5 9 3 2 | hard | 50 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 5 4 . 2 8 . . 3
2 7 9 5 3 . . 6 .
3 1 . 9 7 6 2 4 .
8 . . . . . 6 1 2
4 2 5 6 . . . 8 7
1 . 7 3 . 2 4 5 .
5 4 . 2 6 3 . 9 .
. . 6 . 1 9 5 ... | 6 5 4 1 2 8 9 7 3
2 7 9 5 3 4 8 6 1
3 1 8 9 7 6 2 4 5
8 9 3 4 5 7 6 1 2
4 2 5 6 9 1 3 8 7
1 6 7 3 8 2 4 5 9
5 4 1 2 6 3 7 9 8
7 3 6 8 1 9 5 2 4
9 8 2 7 4 5 1 3 6 | easy | 30 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
1 . 9 3 8 2 . 5 .
6 3 2 . . . 7 . .
. 4 5 . . . . . 1
3 . . . . . 5 . 2
2 1 8 5 . 4 . . 7
. . 4 . . . . 9 .
9 2 . 4 5 8 . . .
. . . 6 2 1 . ... | 1 7 9 3 8 2 4 5 6
6 3 2 1 4 5 7 8 9
8 4 5 9 7 6 2 3 1
3 9 6 8 1 7 5 4 2
2 1 8 5 9 4 3 6 7
7 5 4 2 6 3 1 9 8
9 2 7 4 5 8 6 1 3
4 8 3 6 2 1 9 7 5
5 6 1 7 3 9 8 2 4 | medium | 42 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 4 . 9 . 7 3 .
9 . 2 . . 7 4 . .
7 3 . . . 4 1 9 .
. 9 6 3 . 8 . . .
3 4 8 2 7 9 6 5 1
5 2 . 4 . 6 . 8 3
2 . . . 4 5 . . .
6 . 1 9 . 3 . ... | 8 6 4 1 9 2 7 3 5
9 1 2 5 3 7 4 6 8
7 3 5 8 6 4 1 9 2
1 9 6 3 5 8 2 7 4
3 4 8 2 7 9 6 5 1
5 2 7 4 1 6 9 8 3
2 8 9 7 4 5 3 1 6
6 5 1 9 2 3 8 4 7
4 7 3 6 8 1 5 2 9 | medium | 35 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 4 6 . . . 2 . .
. . . . 6 . . 1 9
. . 8 . . 7 6 . 3
8 . 4 . 7 6 . . 1
2 9 7 . . . . . .
1 . 5 . 9 4 . 3 2
6 . 3 . 4 . 1 2 .
4 2 . 6 . 1 . ... | 3 4 6 1 8 9 2 5 7
7 5 2 4 6 3 8 1 9
9 1 8 5 2 7 6 4 3
8 3 4 2 7 6 5 9 1
2 9 7 3 1 5 4 8 6
1 6 5 8 9 4 7 3 2
6 7 3 9 4 8 1 2 5
4 2 9 6 5 1 3 7 8
5 8 1 7 3 2 9 6 4 | medium | 42 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 9 . . 3 . .
2 . 5 1 4 6 . 7 .
. 4 9 . 5 7 1 . 2
1 8 2 . . 4 6 3 .
3 9 6 . 1 . 4 5 .
4 . . . . . . . .
5 . . 6 3 1 2 9 .
6 . 4 . . . 5 ... | 7 6 1 9 2 8 3 4 5
2 3 5 1 4 6 8 7 9
8 4 9 3 5 7 1 6 2
1 8 2 5 9 4 6 3 7
3 9 6 7 1 2 4 5 8
4 5 7 8 6 3 9 2 1
5 7 8 6 3 1 2 9 4
6 1 4 2 7 9 5 8 3
9 2 3 4 8 5 7 1 6 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
1 . . . 4 . 5 6 .
. 8 . . 5 . . 2 9
5 . . . 9 1 8 . .
9 4 5 1 . 2 6 7 8
8 . . . . . . . .
6 . 3 9 8 . . . .
. 9 . . 1 . 2 8 .
2 5 . . 6 9 . ... | 1 3 9 2 4 8 5 6 7
4 8 6 3 5 7 1 2 9
5 2 7 6 9 1 8 3 4
9 4 5 1 3 2 6 7 8
8 1 2 4 7 6 9 5 3
6 7 3 9 8 5 4 1 2
7 9 4 5 1 3 2 8 6
2 5 8 7 6 9 3 4 1
3 6 1 8 2 4 7 9 5 | medium | 44 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 3 . 8 2 . 7 .
8 . 9 1 . . . 3 6
7 . 2 . 6 4 . . 8
2 . 4 8 . . . . 7
5 . . . 3 . . . 1
. 1 7 . . . . . .
3 2 . . 4 8 7 . .
. . . 5 . . . ... | 1 6 3 9 8 2 4 7 5
8 4 9 1 7 5 2 3 6
7 5 2 3 6 4 1 9 8
2 3 4 8 9 1 5 6 7
5 8 6 4 3 7 9 2 1
9 1 7 2 5 6 3 8 4
3 2 5 6 4 8 7 1 9
6 7 1 5 2 9 8 4 3
4 9 8 7 1 3 6 5 2 | medium | 48 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 7 9 1 2 5 . .
. . . 5 4 . 8 . .
6 5 4 . . 3 1 . .
1 8 . 2 . . . . .
4 . 5 1 . 9 . . .
. 7 2 . . 4 6 8 1
. 9 . . . . . . .
7 4 8 6 . . . ... | 8 3 7 9 1 2 5 4 6
2 1 9 5 4 6 8 7 3
6 5 4 8 7 3 1 9 2
1 8 3 2 6 7 9 5 4
4 6 5 1 8 9 3 2 7
9 7 2 3 5 4 6 8 1
3 9 1 7 2 5 4 6 8
7 4 8 6 9 1 2 3 5
5 2 6 4 3 8 7 1 9 | medium | 41 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
5 8 1 . . . 3 7 4
3 4 . 8 7 . . 1 .
. 2 . . 4 . . 6 .
8 . 2 . . . 6 . .
1 . 9 7 8 3 2 . .
. . 3 6 9 2 . . .
7 . 4 2 . . 8 . .
6 9 . . . . 1 ... | 5 8 1 9 2 6 3 7 4
3 4 6 8 7 5 9 1 2
9 2 7 3 4 1 5 6 8
8 7 2 1 5 4 6 3 9
1 6 9 7 8 3 2 4 5
4 5 3 6 9 2 7 8 1
7 1 4 2 6 9 8 5 3
6 9 5 4 3 8 1 2 7
2 3 8 5 1 7 4 9 6 | medium | 41 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 1 8 4 . . . 5 6
. . . . 7 . . . .
. 4 6 9 5 8 . 1 3
. . 7 3 4 5 . 6 1
1 . . 8 . 9 . 7 2
3 6 9 2 1 . . . .
4 8 . 6 9 1 5 . .
5 9 . . 3 4 6 ... | 9 1 8 4 2 3 7 5 6
2 3 5 1 7 6 8 9 4
7 4 6 9 5 8 2 1 3
8 2 7 3 4 5 9 6 1
1 5 4 8 6 9 3 7 2
3 6 9 2 1 7 4 8 5
4 8 2 6 9 1 5 3 7
5 9 1 7 3 4 6 2 8
6 7 3 5 8 2 1 4 9 | medium | 38 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 6 . . 9 3 2 . 7
7 3 . 4 8 5 . 9 .
. 1 . . . . 4 8 .
9 7 3 . 4 1 5 . 2
8 . 5 7 . 2 9 . .
. 2 6 5 3 . 7 . .
. 8 . 6 . . . 1 .
3 . 7 . 1 8 6 ... | 4 6 8 1 9 3 2 5 7
7 3 2 4 8 5 1 9 6
5 1 9 2 7 6 4 8 3
9 7 3 8 4 1 5 6 2
8 4 5 7 6 2 9 3 1
1 2 6 5 3 9 7 4 8
2 8 4 6 5 7 3 1 9
3 5 7 9 1 8 6 2 4
6 9 1 3 2 4 8 7 5 | easy | 33 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
3 . 7 8 1 4 5 9 .
. . 8 9 5 3 4 2 .
9 . 4 . . . . 8 3
4 3 6 1 8 . . . .
8 . . 7 . 5 6 . 2
2 7 5 4 . 9 . 1 8
. . . . 4 . . 7 1
1 . 3 . . 7 . ... | 3 2 7 8 1 4 5 9 6
6 1 8 9 5 3 4 2 7
9 5 4 2 7 6 1 8 3
4 3 6 1 8 2 7 5 9
8 9 1 7 3 5 6 4 2
2 7 5 4 6 9 3 1 8
5 6 2 3 4 8 9 7 1
1 8 3 5 9 7 2 6 4
7 4 9 6 2 1 8 3 5 | easy | 34 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 3 . 1 9 2 . 6 .
. 7 6 . . . . 4 9
. 5 1 . 7 . . 3 8
1 . . . . 3 7 2 6
3 6 4 . . . . . 1
. 9 . . 5 1 . . .
. . 3 . 1 . . 9 2
. 1 9 5 . 4 8 ... | 4 3 8 1 9 2 5 6 7
2 7 6 8 3 5 1 4 9
9 5 1 4 7 6 2 3 8
1 8 5 9 4 3 7 2 6
3 6 4 2 8 7 9 5 1
7 9 2 6 5 1 3 8 4
5 4 3 7 1 8 6 9 2
6 1 9 5 2 4 8 7 3
8 2 7 3 6 9 4 1 5 | medium | 41 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
6 1 7 9 . . . 5 .
3 . 2 1 . . 9 . .
. 9 . . . . . . 2
9 . . 8 . 1 . . .
. 4 3 7 6 . . . .
. 6 1 . . 4 3 9 .
. 7 6 4 9 3 8 . .
. 5 8 . 1 . 2 ... | 6 1 7 9 8 2 4 5 3
3 8 2 1 4 5 9 7 6
5 9 4 3 7 6 1 8 2
9 2 5 8 3 1 6 4 7
8 4 3 7 6 9 5 2 1
7 6 1 5 2 4 3 9 8
2 7 6 4 9 3 8 1 5
4 5 8 6 1 7 2 3 9
1 3 9 2 5 8 7 6 4 | medium | 42 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 1 9 3 . . . 7 4
4 6 8 1 . . . 3 .
. 7 2 5 4 . 1 . .
. 2 . 9 . 1 7 4 6
6 . . . 3 . 5 1 2
7 5 . 2 . 4 . 8 3
1 3 5 . 9 . . . .
. . . 7 . 3 8 ... | 5 1 9 3 8 2 6 7 4
4 6 8 1 7 9 2 3 5
3 7 2 5 4 6 1 9 8
8 2 3 9 5 1 7 4 6
6 9 4 8 3 7 5 1 2
7 5 1 2 6 4 9 8 3
1 3 5 6 9 8 4 2 7
2 4 6 7 1 3 8 5 9
9 8 7 4 2 5 3 6 1 | medium | 36 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 5 . 8 . 3 6 7
7 . 9 4 . 3 8 1 5
1 . 3 . . . . 9 4
3 1 8 2 9 . . . .
4 7 6 5 . . . . .
. 9 . 3 6 4 . 7 8
9 2 . 6 . 1 5 8 .
6 5 . . 3 2 7 ... | 2 4 5 1 8 9 3 6 7
7 6 9 4 2 3 8 1 5
1 8 3 7 5 6 2 9 4
3 1 8 2 9 7 4 5 6
4 7 6 5 1 8 9 3 2
5 9 2 3 6 4 1 7 8
9 2 4 6 7 1 5 8 3
6 5 1 8 3 2 7 4 9
8 3 7 9 4 5 6 2 1 | easy | 32 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 . 6 2 . . . . 7
. . 7 . 1 9 . . .
9 8 5 . . . . . .
. . . 4 . . . 6 .
3 9 1 6 . . . 7 .
. . . 3 9 7 . . .
1 2 8 . 6 . . . 3
6 5 3 . 7 . 8 ... | 4 1 6 2 3 8 9 5 7
2 3 7 5 1 9 4 8 6
9 8 5 7 4 6 2 3 1
8 7 2 4 5 1 3 6 9
3 9 1 6 8 2 5 7 4
5 6 4 3 9 7 1 2 8
1 2 8 9 6 5 7 4 3
6 5 3 1 7 4 8 9 2
7 4 9 8 2 3 6 1 5 | medium | 46 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 7 1 9 . 3 . 5
. 5 . . . 4 9 . 1
. . . . 7 6 . 4 2
1 7 6 . . . 4 . .
. 8 4 6 1 9 5 3 7
. . . 8 . 7 2 1 6
5 2 . 7 6 3 . . .
4 . . 9 . 1 7 ... | 8 4 7 1 9 2 3 6 5
6 5 2 3 8 4 9 7 1
3 1 9 5 7 6 8 4 2
1 7 6 2 3 5 4 8 9
2 8 4 6 1 9 5 3 7
9 3 5 8 4 7 2 1 6
5 2 8 7 6 3 1 9 4
4 6 3 9 5 1 7 2 8
7 9 1 4 2 8 6 5 3 | easy | 34 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
7 . 3 . . 4 . 6 .
6 . . 5 . 3 8 4 .
. 5 8 9 6 7 1 2 .
8 2 . . 5 9 7 3 .
9 . 4 . 7 . . 5 .
. . . . 2 . 4 . 8
2 . . 6 3 . 9 7 .
. 6 . 7 . . 2 ... | 7 1 3 2 8 4 5 6 9
6 9 2 5 1 3 8 4 7
4 5 8 9 6 7 1 2 3
8 2 6 4 5 9 7 3 1
9 3 4 1 7 8 6 5 2
1 7 5 3 2 6 4 9 8
2 8 1 6 3 5 9 7 4
3 6 9 7 4 1 2 8 5
5 4 7 8 9 2 3 1 6 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
5 1 . 3 9 2 . . 6
. 9 . . 7 . . 3 .
3 . 4 . 6 . 1 2 9
. 2 . . 3 7 . . 4
. 4 7 2 8 . 9 6 3
. 3 . . 4 1 . . 8
4 8 1 7 5 6 3 9 .
9 . 2 8 1 . 4 ... | 5 1 8 3 9 2 7 4 6
2 9 6 1 7 4 8 3 5
3 7 4 5 6 8 1 2 9
8 2 9 6 3 7 5 1 4
1 4 7 2 8 5 9 6 3
6 3 5 9 4 1 2 7 8
4 8 1 7 5 6 3 9 2
9 6 2 8 1 3 4 5 7
7 5 3 4 2 9 6 8 1 | easy | 33 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
9 4 . 1 . 2 . 6 .
. . . 9 . . . 8 .
. 2 6 7 . 4 . 3 1
1 . . 3 . 7 6 9 .
3 9 5 8 6 1 . 7 2
6 . . . 9 . . 1 .
. . 1 4 . 9 8 5 3
. 3 9 5 1 . . ... | 9 4 3 1 8 2 5 6 7
5 1 7 9 3 6 2 8 4
8 2 6 7 5 4 9 3 1
1 8 2 3 4 7 6 9 5
3 9 5 8 6 1 4 7 2
6 7 4 2 9 5 3 1 8
7 6 1 4 2 9 8 5 3
2 3 9 5 1 8 7 4 6
4 5 8 6 7 3 1 2 9 | medium | 37 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 1 . . 3 . . 7 6
. 8 . 1 . . . 3 4
. 9 . . 5 . . 2 1
. . . 7 . 8 . . 3
. . 9 . 6 . . 4 .
6 . . . 4 . . . .
2 . . . 7 . . . 5
5 . . 6 . . 7 ... | 4 1 2 8 3 9 5 7 6
7 8 5 1 2 6 9 3 4
3 9 6 4 5 7 8 2 1
1 2 4 7 9 8 6 5 3
8 5 9 3 6 1 2 4 7
6 7 3 2 4 5 1 8 9
2 6 8 9 7 3 4 1 5
5 3 1 6 8 4 7 9 2
9 4 7 5 1 2 3 6 8 | hard | 50 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . 1 . . 9 4 6
. . 8 . . 4 1 3 5
3 1 . 9 6 . . 2 .
1 . . . 8 . . 7 9
2 . . 5 . 1 6 8 4
8 . 9 4 7 3 2 5 .
4 2 3 6 1 7 . 9 .
. 5 . 8 4 2 . ... | 5 7 2 1 3 8 9 4 6
6 9 8 7 2 4 1 3 5
3 1 4 9 6 5 8 2 7
1 4 5 2 8 6 3 7 9
2 3 7 5 9 1 6 8 4
8 6 9 4 7 3 2 5 1
4 2 3 6 1 7 5 9 8
9 5 1 8 4 2 7 6 3
7 8 6 3 5 9 4 1 2 | easy | 33 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
4 . . 1 . 9 2 6 .
. 7 9 . 3 . 1 8 5
6 . . 2 7 . . 4 .
8 . . 9 6 7 5 1 4
1 5 7 8 4 . 3 9 .
. . . . 5 1 7 2 8
. 8 . . . 4 . 7 2
. 9 . 6 2 3 8 ... | 4 3 5 1 8 9 2 6 7
2 7 9 4 3 6 1 8 5
6 1 8 2 7 5 9 4 3
8 2 3 9 6 7 5 1 4
1 5 7 8 4 2 3 9 6
9 4 6 3 5 1 7 2 8
3 8 1 5 9 4 6 7 2
7 9 4 6 2 3 8 5 1
5 6 2 7 1 8 4 3 9 | easy | 30 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 6 4 8 . 1 2 . .
2 3 . 4 7 . . . 5
. . . 3 5 2 9 4 6
3 2 6 . . . . 5 1
. 1 5 . . . 7 . .
. 4 . 2 . . . . 8
. . . 7 3 . 6 . 4
4 . 3 5 . . . ... | 5 6 4 8 9 1 2 3 7
2 3 9 4 7 6 8 1 5
7 8 1 3 5 2 9 4 6
3 2 6 9 8 7 4 5 1
8 1 5 6 4 3 7 2 9
9 4 7 2 1 5 3 6 8
1 5 2 7 3 9 6 8 4
4 9 3 5 6 8 1 7 2
6 7 8 1 2 4 5 9 3 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 3 . . . 2 9 4 5
. . . 4 6 3 7 8 2
8 . . . 5 . 1 3 6
9 . . . 2 . 3 . .
. 5 . 3 . . . . .
. 6 3 . 4 8 . 1 9
6 1 . . . . 2 5 7
. . . 6 . . 4 ... | 7 3 6 1 8 2 9 4 5
1 9 5 4 6 3 7 8 2
8 4 2 9 5 7 1 3 6
9 8 1 5 2 6 3 7 4
4 5 7 3 1 9 6 2 8
2 6 3 7 4 8 5 1 9
6 1 9 8 3 4 2 5 7
3 2 8 6 7 5 4 9 1
5 7 4 2 9 1 8 6 3 | medium | 40 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
2 7 . 8 9 1 3 5 6
6 1 8 2 . 3 7 9 4
9 5 . 6 7 . 8 . .
1 2 7 . . . . . .
8 . 6 4 . . 2 . .
. . . 3 2 7 . 6 8
. 8 . . 4 . . 3 .
3 . 1 . 8 . . ... | 2 7 4 8 9 1 3 5 6
6 1 8 2 5 3 7 9 4
9 5 3 6 7 4 8 1 2
1 2 7 9 6 8 5 4 3
8 3 6 4 1 5 2 7 9
4 9 5 3 2 7 1 6 8
7 8 2 5 4 6 9 3 1
3 6 1 7 8 9 4 2 5
5 4 9 1 3 2 6 8 7 | easy | 33 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 3 . . . . 2 . .
8 9 6 . . 3 . 1 .
2 5 . . 7 6 8 3 .
. 2 9 6 . . 5 4 .
. 6 4 9 8 . 7 2 .
3 7 . 5 . . . . 1
. . 5 . . . 9 . 4
9 . . . 6 4 1 ... | 4 3 7 8 1 9 2 6 5
8 9 6 2 5 3 4 1 7
2 5 1 4 7 6 8 3 9
1 2 9 6 3 7 5 4 8
5 6 4 9 8 1 7 2 3
3 7 8 5 4 2 6 9 1
6 1 5 3 2 8 9 7 4
9 8 3 7 6 4 1 5 2
7 4 2 1 9 5 3 8 6 | medium | 42 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . 7 1 . 9 2 3 6
3 8 . 2 . 4 5 9 7
9 . . 5 . . . 1 4
1 9 5 . . 8 . 6 3
8 . . . 5 . 1 . 9
. . 3 . . . 7 . .
6 1 8 9 4 . 3 7 5
4 . 2 6 . 5 . ... | 5 4 7 1 8 9 2 3 6
3 8 1 2 6 4 5 9 7
9 2 6 5 3 7 8 1 4
1 9 5 7 2 8 4 6 3
8 7 4 3 5 6 1 2 9
2 6 3 4 9 1 7 5 8
6 1 8 9 4 2 3 7 5
4 3 2 6 7 5 9 8 1
7 5 9 8 1 3 6 4 2 | medium | 39 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . . . 4 5 . 7
3 . 7 . . 9 1 2 .
5 1 . . . . . . 3
1 . 2 6 . . . 7 .
. . 5 . . 8 2 1 .
. . . . . . . . 5
7 . 6 9 . . . . 1
. 8 1 5 3 . 7 ... | 8 2 9 3 1 4 5 6 7
3 6 7 8 5 9 1 2 4
5 1 4 2 6 7 9 8 3
1 4 2 6 9 5 3 7 8
9 3 5 4 7 8 2 1 6
6 7 8 1 2 3 4 9 5
7 5 6 9 4 2 8 3 1
2 8 1 5 3 6 7 4 9
4 9 3 7 8 1 6 5 2 | hard | 50 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
8 4 . 2 . 3 . . 7
. . . . 5 7 3 . 4
7 . . . . . . . 9
. 8 7 4 . . . 3 5
. 6 3 7 . 5 . . .
2 . . 9 3 . . 8 .
. 7 . . 2 4 . 9 .
. 1 8 3 7 . . ... | 8 4 1 2 9 3 6 5 7
6 2 9 8 5 7 3 1 4
7 3 5 1 4 6 8 2 9
1 8 7 4 6 2 9 3 5
9 6 3 7 8 5 2 4 1
2 5 4 9 3 1 7 8 6
3 7 6 5 2 4 1 9 8
5 1 8 3 7 9 4 6 2
4 9 2 6 1 8 5 7 3 | medium | 42 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
8 2 . . 9 6 . . .
. 3 . . 2 . 1 . 6
. . . 3 4 . . 2 .
2 . . 4 5 1 . 6 .
1 . . . . . 5 7 4
. . . . . . . 8 1
. 7 . . 1 . . 4 2
. . . 7 8 . 6 ... | 8 2 5 1 9 6 4 3 7
9 3 4 8 2 7 1 5 6
7 6 1 3 4 5 8 2 9
2 8 7 4 5 1 9 6 3
1 9 3 2 6 8 5 7 4
4 5 6 9 7 3 2 8 1
5 7 8 6 1 9 3 4 2
3 1 2 7 8 4 6 9 5
6 4 9 5 3 2 7 1 8 | medium | 44 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
5 . 2 1 . . 3 . .
. . 4 9 . 7 8 2 .
8 . . 3 . 2 . . 9
. 4 . 8 . 3 . . .
9 6 . . 4 . . . 1
. . . . 1 9 . 8 .
. . . . . 1 . . 8
. . 1 . . 6 5 ... | 5 9 2 1 8 4 3 6 7
3 1 4 9 6 7 8 2 5
8 7 6 3 5 2 1 4 9
1 4 7 8 2 3 9 5 6
9 6 8 7 4 5 2 3 1
2 3 5 6 1 9 7 8 4
4 2 3 5 9 1 6 7 8
7 8 1 4 3 6 5 9 2
6 5 9 2 7 8 4 1 3 | medium | 49 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. . . . . 4 3 2 7
. 1 . . . 7 . . .
7 . . 8 . . . . 4
. . 2 . . 6 . . .
3 5 . 2 1 . . . .
. 4 1 9 . . 2 8 .
4 3 9 . . . 5 . 2
. . . . 3 9 6 ... | 5 8 6 1 9 4 3 2 7
9 1 4 3 2 7 8 5 6
7 2 3 8 6 5 1 9 4
8 9 2 4 5 6 7 1 3
3 5 7 2 1 8 4 6 9
6 4 1 9 7 3 2 8 5
4 3 9 6 8 1 5 7 2
2 7 8 5 3 9 6 4 1
1 6 5 7 4 2 9 3 8 | medium | 49 |
You are solving a standard 9x9 Sudoku puzzle.
Rules:
• Fill each row, column, and 3×3 box with digits 1–9.
• Each digit must appear exactly once per row, column, and box.
Puzzle:
. 8 3 1 . 2 . . .
1 . 2 8 4 6 9 . .
9 4 6 . 5 . . . .
2 3 . . . 9 . . 4
. 1 . . . 8 . . .
. 9 . 6 . . 5 8 .
3 . 1 . 8 . . . 9
. 5 . . 6 1 . ... | 5 8 3 1 9 2 4 7 6
1 7 2 8 4 6 9 3 5
9 4 6 3 5 7 1 2 8
2 3 8 5 1 9 7 6 4
6 1 5 4 7 8 2 9 3
4 9 7 6 2 3 5 8 1
3 2 1 7 8 4 6 5 9
8 5 9 2 6 1 3 4 7
7 6 4 9 3 5 8 1 2 | medium | 44 |
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