PlaySudoku.us
Easy · Puzzle #539
8
7
1
3
4
2
4
6
2
9
8
7
9
8
6
5
8
9
5
1
3
8
5
2
7
2
3
6
8
4
5
2
6
9
8
2
6
9
8
1
4
3
1
4
9
7
6
The constraint propagation used in Sudoku solving is the same algorithm used in AI planning and automated theorem proving.
The constraint propagation used in Sudoku solving is the same algorithm used in AI planning and automated theorem proving.
"Hard work beats talent when talent doesn't work hard." — Tim Notke
"Hard work beats talent when talent doesn't work hard." — Tim Notke