PlaySudoku.us
Medium · Puzzle #40
8
4
5
1
7
9
7
2
1
4
8
2
7
4
5
6
9
3
7
6
4
5
1
6
3
4
9
5
8
4
4
8
9
6
Sudoku has no math — you could replace the digits 1–9 with any 9 symbols and the puzzle works identically.
Sudoku has no math — you could replace the digits 1–9 with any 9 symbols and the puzzle works identically.
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss