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Rules of 'Kropki Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. If the absolute difference between two digits in neighbouring cells equals 1, then they're separated by a white dot. If the digit in a cell is half of the digit in a neighbouring cell, then they're separated by a black dot. The dot staying between '1' and '2' can have any of these dots.

EXAMPLE:


UNIQUE SOLUTION:

1 comment:

Rohan said...

Kropki Sudoku is the sudoku version of the Kropki puzzle.

Once you master Kropki, the sudoku can easily be solved.