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| Author |
woland8171
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| Difficulty | 23 kyu (history) | ||
| AVG solve time | 30 sec | ||
| User attempts | 7022 / 12179 | ||
| Genre | tesuji | ||
| Similar problems | |||
| Created | 2008-09-17 | ||
| Source | madlab | ||
| Stars | 4.32 (31 votes) | ||
| Collections | |||
| Your attempts | N/A | ||