Jan
15

sudoku solver

When I do sudoku, I start with the upper left box, filling in as many numbers as I can in ascending order 1 through 9. If I can fill in a number, I start over at 1 until I have to move on, and then I move down to center left, bottom left, upper center, middle center, bottom center, upper right, middle right, and then if the last square does not have a 9, I go back and solve the rest of the puzzle and then fill in bottom right, saving 9 for last. If bottom right does have a 9, I continue with that square in order and then fill in the rest of the puzzle. I worry that if I don’t do it in this order, I will not complete the puzzle properly.

x3      x32
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