PlaySudoku.us
Evil · Puzzle #65
3
8
5
6
2
9
9
4
8
1
6
4
7
2
5
1
7
3
2
5
1
7
4
6
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Naked Quad
- Naked Triple
- Pointing Pair
- XY-Wing
- W-Wing
"Chess is mental torture." — Garry Kasparov
"Chess is mental torture." — Garry Kasparov
"We must know. We will know." — David Hilbert
"We must know. We will know." — David Hilbert