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| Author |
santa c
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| Difficulty | 21 kyu (history) | ||
| AVG solve time | 53 sec | ||
| User attempts | 4307 / 8996 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2009-01-22 | ||
| Source | |||
| Stars | 3.91 (35 votes) | ||
| Collections | |||
| Your attempts | N/A | ||