| Author | santa c | Created | 2009-12-03 |
| Difficulty | 23 kyu (history) | Source | GeorgeW vs Yaruki7k |
| AVG solve time | 33 sec | Stars | 3.98 (51 votes) |
| User attempts | 6438 / 11656 | Collections | Middle based, 0 What Group? |
| Genre | tesuji ⓒ | Your attempts | N/A |
| Similar problems | |||
| Created | 2009-12-03 | ||
| Source | GeorgeW vs Yaruki7k | ||
| Stars | 3.98 (51 votes) | ||
| Collections | Middle based, 0 What Group? | ||
| Your attempts | N/A | ||