Puzzle library / 11×11
11×11 Queens Puzzles
The 11×11 board is an ultimate challenge — eleven regions across a hundred and twenty-one cells. The deductions run deep and the adjacency rule bites hard. These numbered 11×11 puzzles are for solvers who want a real test of technique and stamina.
Difficulty: Ultimate
All 300 11×11 puzzles
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Other board sizes
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