PlaySudoku.us
Expert · Puzzle #301
9
6
1
7
2
1
4
5
5
9
7
2
3
5
8
6
3
7
8
5
2
6
7
8
5
Techniques used
- Naked Single
- Hidden Single
- Naked Triple
- Naked Pair
- Naked Quad
- Pointing Pair
- X-Wing
- XY-Wing
"If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet." — Niels Bohr
"If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet." — Niels Bohr
"Begin at once to live, and count each separate day as a separate life." — Seneca
"Begin at once to live, and count each separate day as a separate life." — Seneca