4
8
7
6
1
2
3
8
5
5
1
2
4
2
3
4
4
1
5
2
8
1
4
1
8
5
6
6
7
9
1
"Be curious, not judgmental." — Walt Whitman
"Be curious, not judgmental." — Walt Whitman
Wayne Gould gave his puzzle software to The Times for free, triggering the global Sudoku craze. He made his money from books.
Wayne Gould gave his puzzle software to The Times for free, triggering the global Sudoku craze. He made his money from books.