PlaySudoku.us
Evil · Puzzle #865
3
5
4
7
6
2
9
3
4
8
7
2
1
9
1
7
7
3
6
3
5
4
1
2
During the 2006 World Cup in Germany, Sudoku books outsold football guides at Frankfurt airport.
During the 2006 World Cup in Germany, Sudoku books outsold football guides at Frankfurt airport.
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.