3
7
6
4
1
8
9
3
4
8
3
9
2
5
5
1
3
1
3
9
7
4
2
2
6
3
5
8
7
5
2
"To live is the rarest thing in the world. Most people exist, that is all." — Oscar Wilde
"To live is the rarest thing in the world. Most people exist, that is all." — Oscar Wilde
Nikoli, the Japanese puzzle company that popularized Sudoku, requires all their puzzles to be created by hand — no computers.
Nikoli, the Japanese puzzle company that popularized Sudoku, requires all their puzzles to be created by hand — no computers.