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Showing posts with label Queen Sudoku. Show all posts
Showing posts with label Queen Sudoku. Show all posts

Rules of 'Queen Sudoku'

Place numbers in the grid such that every row, column and 3x3 box contain the numbers 1 to 9. One number (usually '9') in the grid is a chess Queen. Two Queens cannot be placed along the same row, column or diagonal of any length.

EXAMPLE: (9)


UNIQUE SOLUTION: