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Rules of 'Fortress Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. If a shaded cell and a white cell are orthogonally adjacent then the shaded cell has the greater value.



1 comment:

Rohan Rao said...

I'm pretty good at this variation, I've yet to figure out what clicks with me :|