PlaySudoku.us
Evil · Puzzle #269
6
9
8
5
4
3
6
2
3
9
5
8
8
6
3
5
2
1
9
2
3
2
7
4
4
6
"Stay hungry, stay foolish." — Steve Jobs
"Stay hungry, stay foolish." — Steve Jobs
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.