PlaySudoku.us
Hard · Puzzle #61
9
1
8
5
7
9
4
8
3
2
1
6
9
4
1
9
7
6
3
1
9
7
3
2
5
7
The world record for solving an easy Sudoku is under 1.4 seconds, set in competitive speed-solving.
The world record for solving an easy Sudoku is under 1.4 seconds, set in competitive speed-solving.
The world record for solving an easy Sudoku is under 1.4 seconds, set in competitive speed-solving.
The world record for solving an easy Sudoku is under 1.4 seconds, set in competitive speed-solving.