PlaySudoku.us
Medium · Puzzle #678
1
2
7
7
2
3
4
1
9
1
4
7
3
8
7
2
4
5
8
9
2
1
5
9
3
7
3
1
6
4
9
3
8
2
7
9
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.