Sudoku
Classic 9x9 Sudoku puzzle with setup and solve modes. Place given numbers in setup mode, then switch to solve mode to complete the puzzle.
Sudoku
Currently: Setting up puzzle
Generate Puzzle
Empty Squares: 30
Easy (20)Hard (60)
Algorithm Visualisation
Watch the backtracking algorithm solve your puzzle step by step!
Global Controls
Fast (10ms)Slow (1000ms)
Basic Backtracking
INITSteps
0
Time
0ms
Reads
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Writes
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Backtracks
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Constraint Propagation
INITSteps
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Time
0ms
Reads
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Writes
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Backtracks
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Backtracking + Heuristics
INITSteps
0
Time
0ms
Reads
0
Writes
0
Backtracks
0