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| Author |
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| Difficulty | 16 kyu (history) | ||
| AVG solve time | 58 sec | ||
| User attempts | 2699 / 6237 | ||
| Genre | tesuji ⓒ | ||
| Similar problems | |||
| Created | 2009-11-01 | ||
| Source | |||
| Stars | 3.95 (40 votes) | ||
| Collections | |||
| Your attempts | N/A | ||