Hardest Sudoku

Public puzzle

SE grade 3.2 Sudoku

3.2SE grade · 24 clues

By The Hardest Sudoku Team · Last updated

Givens only — solution not shown.

About this puzzle

An SE grade 3.2 Sudoku with 24 clues — intermediate, where pairs and locked candidates start to matter.

The SE grade is the canonical difficulty number from Sudoku Explainer — read how it works on the SE grade page.

Play this difficulty →