PlaySudoku.us
Easy · Puzzle #183
2
6
1
4
5
3
9
3
7
4
6
8
1
2
3
9
4
5
3
1
7
9
6
1
5
3
2
6
3
5
4
8
9
7
3
7
4
6
9
4
8
2
3
1
"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.