Tool/solver to resolve irregular sudoku (any size), ie with a NxN grid and non-square blocks, the rule of rows and columns remain unchanged.
Irregular NxN Sudoku Solver - dCode
Tag(s) : Number Games
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Irregular Sudoku NxN (called Jigsaw or Chaos) is identical to a classic sudoku, except for the blocks that are no longer regular square elements, but polyominoes that form a kind of jigsaw puzzle.
Indicates cells values one by one (it is also possible to make a copy-paste with space as empty cell) as in a classic sudoku.
Only letters or digits are allowed.
Blocks of 9 cells can be selected within predefined examples under the grid or indicated manually by clicking on borders.
Example: A 9x9 grid (copy/paste) forms nonominos
97 1 5 5 9 2 18 4 8 7 26 92 3 6 2 9 19 457 to get:
For larger grids, the solver only accepts one character per cell, so use letters.
Example: Write A for 10, B for 11 etc.
Software solves the Sudoku, similarly to an human, and display each step of its progress to understand without explaining.
Reminder : dCode is free to use.
The copy-paste of the page "Irregular NxN Sudoku Solver" or any of its results, is allowed as long as you cite dCode!
Cite as source (bibliography):
Irregular NxN Sudoku Solver on dCode.fr [online website], retrieved on 2022-10-05,