PlaySudoku.us
Expert · Puzzle #724
2
6
9
7
4
7
3
8
3
6
4
5
8
2
4
7
3
7
6
3
9
1
4
2
Techniques used
- Hidden Single
- Naked Single
- Naked Pair
- Naked Triple
- Naked Quad
- XY-Wing
"If you want to be happy, be." — Leo Tolstoy
"If you want to be happy, be." — Leo Tolstoy
"Obstacles are those frightful things you see when you take your eyes off your goal." — Henry Ford
"Obstacles are those frightful things you see when you take your eyes off your goal." — Henry Ford