Click on the number and the empty box you want to put it in. Fill the grid so numbers 1-9 are across each row and down each column and 3 x 3 square, without any duplicates. No need for a pen or pencil!
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Click on the number and the empty box you want to put it in. Fill the grid so numbers 1-9 are across each row and down each column and 3 x 3 square, without any duplicates. No need for a pen or pencil!
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