MXQ Adv. Sudoku

Initial Values

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Initial Values

From the original 18 extremely difficult grids, I have engineered another 30+ grids. The game selector on the far left allows the user to load any of the 50 stored grids.

All the other controls are for re-engineering grids.

The integrity of the solution remains as long as the occupied block-row, block-column, row & column count remain constant.