2013 Problems
c623d8c verified | Case #1: YES |
| Case #2: NO |
| Case #3: NO |
| Case #4: YES |
| Case #5: YES |
| Case #6: NO |
| Case #7: YES |
| Case #8: YES |
| Case #9: YES |
| Case #10: YES |
| Case #11: YES |
| Case #12: YES |
| Case #13: YES |
| Case #14: YES |
| Case #15: YES |
| Case #16: YES |
| Case #17: YES |
| Case #18: YES |
| Case #19: YES |
| Case #20: YES |
| Case #21: YES |
| Case #22: NO |
| Case #23: NO |
| Case #24: NO |
| Case #25: YES |
| Case #26: YES |
| Case #27: YES |
| Case #28: NO |
| Case #29: NO |
| Case #30: NO |
| Case #31: YES |
| Case #32: YES |
| Case #33: NO |
| Case #34: YES |
| Case #35: YES |
| Case #36: NO |
| Case #37: YES |
| Case #38: YES |
| Case #39: YES |
| Case #40: YES |
| Case #41: YES |
| Case #42: NO |
| Case #43: YES |
| Case #44: YES |
| Case #45: YES |
| Case #46: NO |
| Case #47: YES |
| Case #48: YES |
| Case #49: YES |
| Case #50: NO |
| Case #51: YES |
| Case #52: NO |
| Case #53: NO |
| Case #54: NO |
| Case #55: YES |
| Case #56: YES |
| Case #57: YES |
| Case #58: NO |
| Case #59: YES |
| Case #60: YES |
| Case #61: YES |
| Case #62: YES |
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