PlaySudoku.us
Hard · Puzzle #675
9
7
4
2
1
3
6
7
9
6
9
2
3
2
9
8
7
2
4
4
8
1
9
2
2
9
7
5
6
2
3
For Evil puzzles, study the Y-Wing technique: it chains three cells into a forced elimination.
For Evil puzzles, study the Y-Wing technique: it chains three cells into a forced elimination.
"We shape our buildings; thereafter they shape us." — Winston Churchill
"We shape our buildings; thereafter they shape us." — Winston Churchill