PlaySudoku.us
Medium · Puzzle #464
7
8
6
3
4
5
6
9
8
7
8
1
3
8
2
4
8
9
3
6
2
7
4
4
2
8
1
4
9
2
6
3
5
2
3
9
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.