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| Author |
Karen B
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| Difficulty | 13 kyu (history) | ||
| AVG solve time | 48 sec | ||
| User attempts | 2508 / 6127 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2007-02-20 | ||
| Source | A variation of a problem by Richard Bozulich. | ||
| Stars | 3.3 (20 votes) | ||
| Collections | |||
| Your attempts | N/A | ||