PlaySudoku.us
Expert · Puzzle #707
3
1
4
5
8
4
2
1
4
1
6
8
4
3
8
6
2
3
8
5
7
6
9
2
8
4
"Begin at once to live, and count each separate day as a separate life." — Seneca
"Begin at once to live, and count each separate day as a separate life." — Seneca
Check columns before rows — columns are often harder to complete and contain more useful constraints.
Check columns before rows — columns are often harder to complete and contain more useful constraints.