Algorithm to Solve Sudoku | Sudoku Solver - GeeksforGeeks
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Can You Effectively Solve Sudoku? | by Emily Kim | Smith-HCV | Medium
I solved a 7 star sudoku on paper. It's apparently rated 2.5k on hodoku. Solving it took about 2 hours. It seems like solving on computer is 3-6 times faster than on
BOHS Wooden Rainbow Sudoku for Kids - 3 in 1 Easy to Hard - with Book – BOHS Toys