PlaySudoku.us
Medium · Puzzle #269
9
4
7
2
7
1
6
8
8
2
3
9
1
5
6
2
2
1
5
8
3
6
9
1
4
1
4
6
3
9
1
2
5
9
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.
"Chess, like love, like music, has the power to make men happy." — Siegbert Tarrasch
"Chess, like love, like music, has the power to make men happy." — Siegbert Tarrasch