PlaySudoku.us
Easy · Puzzle #541
2
6
4
5
3
8
3
7
6
1
9
4
2
1
9
4
2
6
7
8
1
3
2
5
3
5
1
9
7
2
8
7
5
8
9
3
1
8
7
6
1
5
9
7
3
3
1
4
7
8
"You have power over your mind, not outside events. Realize this, and you will find strength." — Marcus Aurelius
"You have power over your mind, not outside events. Realize this, and you will find strength." — Marcus Aurelius
The Shannon entropy of a Sudoku puzzle decreases as more cells are filled — a measure of how much uncertainty remains.
The Shannon entropy of a Sudoku puzzle decreases as more cells are filled — a measure of how much uncertainty remains.