Sue's Sudoku Puzzle Page
Each row, column and 3x3 square must contain exactly one of each digit,1-9.
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Try to solve the left hand puzzle, which was posted 7/12. Or by clicking Hint
repeatedly, you may watch the program solve the right-hand puzzle, which was first posted 7/2.
The program uses four different rules, and employs one of them at each step.
I believe that the puzzles can be solved entirely by fully determined moves.
Neither guessing nor backtracking is necessary. If you believe you have found
a valid (i.e. single solution) counter-example, please submit it.
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The program is still under development. Suggestions are welcome.
This page last updated July 12, 2005
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