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Expert · Puzzle #154
7
4
5
9
8
3
9
1
9
7
8
6
3
8
2
5
6
7
1
2
5
5
1
9
4
Techniques used
- Hidden Single
- Naked Single
- Naked Pair
- Naked Triple
- Box-Line Reduction
- X-Wing
- Pointing Pair
- XY-Wing
- Skyscraper
- Swordfish
"Go confidently in the direction of your dreams. Live the life you have imagined." — Henry David Thoreau
"Go confidently in the direction of your dreams. Live the life you have imagined." — Henry David Thoreau
Keep a mental note of which digits are 'almost placed' — appearing 8 times on the board. One more elimination will solve them.
Keep a mental note of which digits are 'almost placed' — appearing 8 times on the board. One more elimination will solve them.