PlaySudoku.us
Easy · Puzzle #752
1
4
8
2
9
7
7
8
1
5
6
6
3
7
2
9
1
3
2
7
7
9
8
2
4
6
5
2
3
5
6
7
9
8
1
7
9
4
8
6
1
4
8
9
3
5
2
3
6
7
4
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.