PlaySudoku.us
Expert · Puzzle #170
9
4
3
9
1
5
1
6
2
8
1
6
7
4
4
3
8
7
3
2
6
9
4
2
7
Techniques used
- Naked Single
- Hidden Single
- Pointing Pair
- Skyscraper
- Naked Pair
- XY-Wing
"Confine yourself to the present." — Marcus Aurelius
"Confine yourself to the present." — Marcus Aurelius
"The roots of education are bitter, but the fruit is sweet." — Aristotle
"The roots of education are bitter, but the fruit is sweet." — Aristotle