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
Keep a mental note of which digits are 'almost placed' — appearing 8 times on the board. One more elimination will solve them.
Keep a mental note of which digits are 'almost placed' — appearing 8 times on the board. One more elimination will solve them.
Solve an Expert puzzle in under 15 minutes. Study one new advanced technique before you begin.
Solve an Expert puzzle in under 15 minutes. Study one new advanced technique before you begin.