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Hard · Puzzle #666
8
4
3
9
8
1
1
7
3
4
9
1
1
2
5
4
3
5
1
9
3
5
2
6
8
2
In 2007, a British newspaper published a Sudoku with no unique solution — they had to issue an apology.
In 2007, a British newspaper published a Sudoku with no unique solution — they had to issue an apology.
Set a personal best time today. Write it down. Tomorrow, try to beat it by one second.
Set a personal best time today. Write it down. Tomorrow, try to beat it by one second.