Sudoku. Tutorial #20 3X3 hints.
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Sudoku. Tutorial #20 3X3 hints.
#sudokuguy #sudoku For FAQ go to my web site http://sudokuguy.com The 3X3 and 4X4 scenario are very important to spot when doing more difficult puzzles. When you spot a 3X3 it means you have less number of cells to solve, because all remaining cells in a particular row column or block do not need the numbers in the 3X3. For all lessons and ...
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