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| Author |
santa c
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| Difficulty | 12 kyu (history) | ||
| AVG solve time | 56 sec | ||
| User attempts | 1929 / 5144 | ||
| Genre | tesuji ⓒ | ||
| Similar problems | |||
| Created | 2008-06-01 | ||
| Source | |||
| Stars | 3.89 (19 votes) | ||
| Collections | |||
| Your attempts | N/A | ||