Hidden Triplet Practice Puzzles

A Hidden Triplet is three digits that can only be placed within the same three cells of a unit. Once identified, every other candidate is removed from those three cells.

Every puzzle below is verified to feature the Hidden Triplet as its hardest required technique — of the 65,284 puzzles in our library, 11,710 require it and 8,330 need nothing harder. New to the pattern? Learn the Hidden Triplet or see a worked example first.

Curated Hidden Triplet puzzles

  1. Practice puzzle #1 — 25 givens · needs Naked Single, Hidden Single, Hidden Triplet
  2. Practice puzzle #2 — 25 givens · needs Naked Single, Hidden Single, Hidden Triplet
  3. Practice puzzle #3 — 24 givens · needs Naked Single, Hidden Single, Hidden Triplet
  4. Practice puzzle #4 — 23 givens · needs Naked Single, Hidden Single, Hidden Triplet
  5. Practice puzzle #5 — 25 givens · needs Naked Single, Hidden Single, Hidden Triplet
  6. Practice puzzle #6 — 26 givens · needs Naked Single, Hidden Single, Hidden Triplet
  7. Practice puzzle #7 — 24 givens · needs Naked Single, Hidden Single, Hidden Triplet
  8. Practice puzzle #8 — 23 givens · needs Naked Single, Hidden Single, Hidden Triplet
  9. Practice puzzle #9 — 24 givens · needs Naked Single, Hidden Single, Hidden Triplet
  10. Practice puzzle #10 — 25 givens · needs Naked Single, Hidden Single, Hidden Triplet
  11. Practice puzzle #11 — 23 givens · needs Naked Single, Hidden Single, Hidden Triplet
  12. Practice puzzle #12 — 24 givens · needs Naked Single, Hidden Single, Hidden Triplet
Get a fresh Hidden Triplet puzzle →

Hidden Triplet practice FAQ

How many Sudoku puzzles require the Hidden Triplet technique?
Of the 65,284 puzzles in the Precision Sudoku library, 11,710 require the Hidden Triplet to solve, and 8,330 can be completed with nothing harder than the Hidden Triplet. Every puzzle is verified by a solver that records the exact techniques needed.
What is the best way to practice the Hidden Triplet?
Play puzzles where the Hidden Triplet is the hardest move required, so every sticking point is an opportunity to apply it. It is the three-digit version of the Hidden Pair; scan for it when a unit has a few digits clustered in the same handful of cells.
Can I play a Sudoku puzzle that needs exactly the Hidden Triplet?
Yes. The curated puzzles on this page all feature the Hidden Triplet as their most advanced required technique, and the practice button serves a fresh puzzle from the same verified pool whenever you want another.