PlaySudoku.us
Medium · Puzzle #744
9
8
3
6
7
7
5
7
8
4
3
9
7
3
6
1
6
3
8
4
1
9
6
7
6
1
3
5
2
5
7
4
The Times Sudoku Championship in the UK has been held annually since 2005, drawing hundreds of competitors.
The Times Sudoku Championship in the UK has been held annually since 2005, drawing hundreds of competitors.
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.