PlaySudoku.us
Expert · Puzzle #472
9
4
2
7
2
5
3
8
9
5
7
9
6
9
2
1
3
5
8
4
3
6
2
5
1
7
"There are no secrets to success. It is the result of preparation, hard work, and learning from failure." — Colin Powell
"There are no secrets to success. It is the result of preparation, hard work, and learning from failure." — Colin Powell
The 16×16 version of Sudoku is called "Super Sudoku" and uses hexadecimal digits or letters.
The 16×16 version of Sudoku is called "Super Sudoku" and uses hexadecimal digits or letters.