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Rule of the game

The irregular Sudokus of 16x16 are solvable by the logic and none mathematical is necessary. Every puzzle consists of sixteen columns, sixteen rows and sixteen regions of irregular forms separated by more thick lines. Every cell is empty or contains a hexadecimal figure. To solve the puzzle, you have to fill every empty compartment, without using several times the same figure in the same column or in the same row or in the same region, and, well on, without modifying the values which were beforehand recorded in the problem.

A irregular 16x16 sudoku is a variation of the hexadoku and of the sudoku. The areas of 4 x 4 are replaced by areas of all kinds of different forms, every areas containing each 16 squares. The 16x16 irregular sudoku requires a lot of patience.

• Colored background.
• The disposition of the cells of this puzzle and of the areas are symmetrical.
• All the cells of this puzzle are solvable by inclusive method while accepting other methods.
• This puzzle contains 132 boxes to solve.

Online resolution and printing.

This irregular 16x16 sudoku can be played and printed online.