PlaySudoku.us
Medium · Puzzle #814
1
9
3
8
6
8
9
7
4
7
1
3
4
5
5
9
1
4
7
4
2
1
8
2
7
3
1
6
4
2
1
9
4
The average newspaper Sudoku takes about 20 minutes to solve for an experienced solver.
The average newspaper Sudoku takes about 20 minutes to solve for an experienced solver.
"The science of mathematics presents the most brilliant example of how pure reason may successfully enlarge its domain without the aid of experience." — Immanuel Kant
"The science of mathematics presents the most brilliant example of how pure reason may successfully enlarge its domain without the aid of experience." — Immanuel Kant