PlaySudoku.us
Expert · Puzzle #579
2
5
6
7
8
7
8
5
4
9
4
2
9
5
3
6
8
1
8
5
3
4
1
8
2
6
Techniques used
- Hidden Single
- Naked Quad
- Naked Pair
- Pointing Pair
- Naked Single
- Naked Triple
"Mathematics is the art of giving the same name to different things." — Henri Poincaré
"Mathematics is the art of giving the same name to different things." — Henri Poincaré
"The only impossible journey is the one you never begin." — Tony Robbins
"The only impossible journey is the one you never begin." — Tony Robbins