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Sudoku Solver

This Sudoku Solver shows you the steps for solving most 9x9 sudokus.

You need to install Java.


  1. Load a puzzle by either:
    • Clicking "Easy," "Medium," or "Hard" to load a random puzzle of that difficulty, or
    • Entering each digit of your own puzzle, substituting 0s for blank cells
  2. Click "Solve" to animate the solution, or click the "<<" or ">>" buttons to step through the solution manually
Copyright 2014 Benjamin Poon