PlaySudoku.us
Hard · Puzzle #638
9
5
4
8
2
2
1
5
3
7
5
1
8
4
8
5
6
8
1
9
4
8
3
6
8
5
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.
After applying any elimination technique, always restart your scan from the simplest techniques — a single elimination often unlocks a naked single.
After applying any elimination technique, always restart your scan from the simplest techniques — a single elimination often unlocks a naked single.