PlaySudoku.us
Hard · Puzzle #605
1
8
3
3
5
4
6
1
7
7
3
5
2
8
1
9
4
2
7
3
5
8
7
1
3
5
4
6
4
9
1
Japan has a national Sudoku puzzle competition with separate categories for speed and accuracy.
Japan has a national Sudoku puzzle competition with separate categories for speed and accuracy.
There are Sudoku apps that generate over 1 billion distinct puzzles — you could solve a new one every day for 2.7 million years.
There are Sudoku apps that generate over 1 billion distinct puzzles — you could solve a new one every day for 2.7 million years.