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Expert · Puzzle #155
1
5
2
4
6
6
7
2
8
7
9
5
9
5
4
7
8
3
4
4
2
3
5
8
7
4
6
Techniques used
- Hidden Single
- Naked Single
- Naked Pair
- Pointing Triple
- Box-Line Reduction
- XY-Wing
- Naked Triple
"Concentration is the secret of strength in politics, in war, in trade — in short, in all management of human affairs." — Ralph Waldo Emerson
"Concentration is the secret of strength in politics, in war, in trade — in short, in all management of human affairs." — Ralph Waldo Emerson
"My brain is open." — Paul Erdős
"My brain is open." — Paul Erdős