PlaySudoku.us
Expert · Puzzle #662
7
4
6
1
6
4
2
5
3
1
7
9
4
2
4
8
1
3
6
5
1
5
2
6
8
Techniques used
- Hidden Single
- Naked Pair
- Naked Triple
- Naked Single
- Naked Quad
- Pointing Pair
- UR Type 1
"I have no special talent. I am only passionately curious." — Albert Einstein
"I have no special talent. I am only passionately curious." — Albert Einstein
"The pin is mightier than the sword." — Fred Reinfeld
"The pin is mightier than the sword." — Fred Reinfeld