PlaySudoku.us
Medium · Puzzle #261
4
8
9
2
6
9
3
8
1
6
7
6
3
8
1
4
8
9
2
4
3
6
9
7
3
9
1
6
5
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1
8
3
"The important achievement of Apollo was demonstrating that humanity is not forever chained to this planet." — Neil Armstrong
"The important achievement of Apollo was demonstrating that humanity is not forever chained to this planet." — Neil Armstrong
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.