PlaySudoku.us
Expert · Puzzle #44
1
6
4
7
9
5
4
9
3
6
7
3
1
6
1
5
2
7
9
6
2
6
2
4
1
5
3
9
Techniques used
- Hidden Single
- Naked Triple
- Naked Single
- Pointing Pair
- Skyscraper
- Naked Pair
- Box-Line Reduction
- X-Wing
- 2-String Kite
- XY-Chain
"In mathematics you don't understand things. You just get used to them." — John von Neumann
"In mathematics you don't understand things. You just get used to them." — John von Neumann
"Perfection is not attainable, but if we chase perfection we can catch excellence." — Vince Lombardi
"Perfection is not attainable, but if we chase perfection we can catch excellence." — Vince Lombardi