PlaySudoku.us
Easy · Puzzle #59
6
1
5
9
4
2
4
8
5
9
7
6
4
6
8
2
7
3
3
7
9
4
1
7
9
5
3
8
5
4
2
7
6
4
9
7
1
6
3
5
8
5
6
2
7
9
8
3
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.
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.