PlaySudoku.us
Hard · Puzzle #925
2
6
4
8
2
2
9
6
5
1
9
8
5
7
8
9
5
2
5
9
7
4
1
5
9
6
8
9
4
"Chess is the art of analysis." — Mikhail Botvinnik
"Chess is the art of analysis." — Mikhail Botvinnik
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.