PlaySudoku.us
Easy · Puzzle #327
2
8
9
7
3
4
9
3
4
2
8
1
7
3
8
6
2
8
9
1
5
2
3
4
5
6
8
2
7
1
1
3
2
4
6
5
9
6
7
1
3
2
9
5
1
8
3
2
9
7
The hardest published Sudoku puzzle — graded by the number of search nodes a computer needs — was named 'Al Escargot' by its creator.
The hardest published Sudoku puzzle — graded by the number of search nodes a computer needs — was named 'Al Escargot' by its creator.
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.