PlaySudoku.us
Expert · Puzzle #427
9
5
3
8
2
7
7
8
9
1
6
5
6
4
9
8
1
3
5
7
4
4
2
3
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Naked Triple
- Naked Quad
- Skyscraper
"The measure of intelligence is the ability to change." — Albert Einstein
"The measure of intelligence is the ability to change." — Albert Einstein
"I will prepare and some day my chance will come." — Abraham Lincoln
"I will prepare and some day my chance will come." — Abraham Lincoln