PlaySudoku.us
Expert · Puzzle #904
8
6
1
5
7
5
9
8
3
9
9
7
5
9
6
2
3
4
9
1
7
1
4
6
5
Techniques used
- Naked Single
- Hidden Single
- Pointing Pair
- Pointing Triple
- 2-String Kite
- Naked Quad
- Naked Pair
- Box-Line Reduction
- XY-Chain
"The supreme art of war is to subdue the enemy without fighting." — Sun Tzu
"The supreme art of war is to subdue the enemy without fighting." — Sun Tzu
The first Sudoku software app appeared in 2005 and became one of the most-downloaded mobile apps of that year.
The first Sudoku software app appeared in 2005 and became one of the most-downloaded mobile apps of that year.