PlaySudoku.us
Hard · Puzzle #839
4
9
6
6
5
1
3
4
9
4
1
5
3
6
8
2
4
6
3
5
1
7
2
9
3
7
5
9
In 2005, Sudoku mania was so intense in the UK that it was credited with boosting pencil sales nationwide.
In 2005, Sudoku mania was so intense in the UK that it was credited with boosting pencil sales nationwide.
"Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time." — Thomas Edison
"Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time." — Thomas Edison