PlaySudoku.us
Easy · Puzzle #299
8
7
2
6
1
9
9
1
2
8
6
3
5
3
6
4
8
7
2
7
9
8
4
3
2
1
6
5
3
8
7
4
4
6
1
7
3
3
1
2
9
5
9
4
7
2
8
6
9
1
4
"The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking." — Albert Einstein
"The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking." — Albert Einstein
The minimum number of clues (17) needed for a unique Sudoku was proved by exhaustive computer search in 2012.
The minimum number of clues (17) needed for a unique Sudoku was proved by exhaustive computer search in 2012.