PlaySudoku.us
Easy · Puzzle #247
2
3
7
5
9
5
4
8
3
6
7
9
4
3
5
2
1
9
8
6
7
4
2
5
3
8
9
1
8
6
4
7
9
6
3
1
6
3
9
1
8
7
4
2
8
2
4
7
5
6
"Look deep into nature, and then you will understand everything better." — Albert Einstein
"Look deep into nature, and then you will understand everything better." — Albert Einstein
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.