PlaySudoku.us
Expert · Puzzle #76
7
3
9
1
9
2
4
7
9
2
7
3
8
8
6
2
9
4
5
8
7
6
1
Backtracking — the algorithm most computers use to solve Sudoku — is a form of depth-first search with pruning.
Backtracking — the algorithm most computers use to solve Sudoku — is a form of depth-first search with pruning.
"Float like a butterfly, sting like a bee. The hands can't hit what the eyes can't see." — Muhammad Ali
"Float like a butterfly, sting like a bee. The hands can't hit what the eyes can't see." — Muhammad Ali