PlaySudoku.us
Medium · Puzzle #278
5
8
6
9
9
6
1
3
3
2
7
5
8
6
9
2
8
4
8
3
9
8
2
9
1
6
3
5
9
6
8
3
9
2
5
7
Use pencil marks to track candidates. Eliminating one candidate often triggers a chain reaction.
Use pencil marks to track candidates. Eliminating one candidate often triggers a chain reaction.
"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