Public puzzle
SE grade 10.4 Sudoku
10.4SE grade · 19 clues
By The Hardest Sudoku Team · Last updated
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Givens only — solution not shown.
About this puzzle
An SE grade 10.4 Sudoku with 19 clues — monster territory, with no easy entry point.
The SE grade is the canonical difficulty number from Sudoku Explainer — read how it works on the SE grade page.