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| Author |
marwin
|
||
| Difficulty | 19 kyu (history) | ||
| AVG solve time | 21 sec | ||
| User attempts | 12852 / 24999 | ||
| Genre | tesuji ⓒ | ||
| Similar problems | |||
| Created | 2004-09-19 | ||
| Source | chinse book | ||
| Stars | 3.87 (31 votes) | ||
| Collections | |||
| Your attempts | N/A | ||