PlaySudoku.us
Medium · Puzzle #156
1
8
5
2
7
8
7
9
3
1
6
1
7
4
3
1
5
2
4
8
3
2
6
1
7
2
6
3
1
2
5
8
1
3
6
4
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