PlaySudoku.us
Medium · Puzzle #167
8
1
5
4
8
2
6
6
4
2
8
4
3
8
1
3
9
6
5
7
5
1
3
4
6
5
1
8
3
3
8
5
4
6
1
7
5
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.