Medium — subsets & intersections
Medium Sudoku #34
A hand-graded medium puzzle — 29 clues, roughly 5 minutes. Every puzzle here has exactly one solution, reachable by logic alone.
●Medium
Solved. Nicely done — want another?
What this puzzle needs
Solving this one by logic calls on 4 techniques, from the everyday to the demanding. Each links to a full guide:
One thing to look for
The turning point is a Pointing pair — In box 7, 8 can only sit in row 9 — so 8 is removed from the rest of row 9.
Stuck? Let it teach you
Tap Hint once and the solver names the next logical move and the region it lives in — "hidden single in box 4", say. Tap it again to make the move. Nothing here ever needs a guess. Prefer to see the whole solution? Drop this grid into the step-by-step solver.