3
9
5
7
6
7
2
8
6
4
5
1
9
2
6
8
2
9
4
5
4
4
5
8
8
7
6
9
2
8
7
6
A Sudoku puzzle's 'information content' can be measured: a minimal 17-clue puzzle encodes roughly 26 bits of information.
A Sudoku puzzle's 'information content' can be measured: a minimal 17-clue puzzle encodes roughly 26 bits of information.
"Not all those who wander are lost." — J. R. R. Tolkien
"Not all those who wander are lost." — J. R. R. Tolkien