PlaySudoku.us
Hard · Puzzle #170
3
1
8
4
9
7
5
1
6
1
2
9
4
9
5
2
7
9
1
6
4
9
9
6
1
8
2
2
5
"Education is not the filling of a pail, but the lighting of a fire." — W. B. Yeats
"Education is not the filling of a pail, but the lighting of a fire." — W. B. Yeats
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.