PlaySudoku.us
Expert · Puzzle #127
4
6
2
9
7
6
8
9
3
2
4
4
8
7
3
1
9
1
5
8
3
5
3
7
2
Scan by digit rather than by cell: find everywhere '7' must go before switching to '8'.
Scan by digit rather than by cell: find everywhere '7' must go before switching to '8'.
"Remember to look up at the stars and not down at your feet." — Stephen Hawking
"Remember to look up at the stars and not down at your feet." — Stephen Hawking