PlaySudoku.us
Medium · Puzzle #824
4
1
2
3
4
7
9
1
9
1
2
6
8
2
9
6
3
3
5
6
8
6
8
7
2
5
2
3
4
9
6
5
8
1
7
6
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.