PlaySudoku.us
Medium · Puzzle #743
8
5
6
1
6
8
3
5
7
3
4
1
6
2
4
2
1
2
5
8
7
9
3
5
3
4
9
6
7
2
6
8
7
9
1
1
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.