9
8
7
6
7
5
1
2
3
7
5
1
6
2
8
2
9
4
7
2
8
6
6
3
2
8
1
6
3
2
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.
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.