PlaySudoku.us
Expert · Puzzle #690
4
2
7
5
8
4
6
8
3
1
3
7
5
9
8
1
4
2
8
3
9
7
5
6
4
Techniques used
- Hidden Single
- Naked Single
- Naked Triple
- Naked Pair
- Pointing Pair
- XY-Wing
- X-Wing
- XY-Chain
"It is not enough to be a good player; you must also play well." — Siegbert Tarrasch
"It is not enough to be a good player; you must also play well." — Siegbert Tarrasch
"Every child is an artist. The problem is how to remain an artist once we grow up." — Pablo Picasso
"Every child is an artist. The problem is how to remain an artist once we grow up." — Pablo Picasso