What this puzzle trains
This puzzle helps you combine Singles with early candidate cleanup.
This Easy #077 starts with 46 clues, has a score of 175, and mainly asks you to use Naked Single.
Puzzle #077 appears later in this archive and is a good place to practice spotting missed patterns under pressure.
Useful habits for this level
- Keep candidate notes consistent.
- Use Pair logic before searching advanced patterns.
After-solve notes
Individual puzzle pages are practice stops reached from the archive or strategy guides. After solving, keep these three notes so the next puzzle has a clear learning target.
- At the first stall, did you check "Keep candidate notes consistent." before looking for Naked Single?
- If you used a hint, write one target cell, elimination, or condition in your own words.
- Choose whether to continue at this level or read the related technique guide before returning.