Sudoku 9×9 Medium — Set 52By skyseed_admin / April 9, 2026 medium 9×9 Set 52 Complete the sudoku grid (6x6): each row, column, and box must contain each digit exactly once. Grid: [_ 2 3 _ | 4 _ 2 1 | 2 _ _ _ | 3 1 _ _] Check Answers Reveal Solution Reset