PlaySudoku.us
Hard · Puzzle #617
7
8
1
5
6
9
2
1
3
5
8
7
6
2
5
2
9
6
1
9
8
4
8
6
7
9
6
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.
"Give me a place to stand, and I shall move the earth." — Archimedes
"Give me a place to stand, and I shall move the earth." — Archimedes