The full logical solve of the hard mini sudoku for September 22 to September 28, 2026, 9 × 9. 59 steps, 3 techniques, no guessing. Step through it, or jump to any step below.
In the shaded box, 9 fits only in the marked cell.
In the shaded box, 9 fits only in the marked cell.
In the shaded box, 6 fits only in the marked cell.
In the shaded box, 7 fits only in the marked cell.
In row 1, 8 fits only in the marked cell.
In row 2, 1 fits only in the marked cell.
In the shaded box, 7 fits only in the marked cell.
In the shaded box, 5 fits only in the marked cell.
In the shaded box, 7 fits only in the marked cell.
In the shaded box, 7 fits only in the marked cell.
The marked cell sees every digit except 5 in its row, column and box, so it must be 5.
In the shaded box, 5 fits only in the marked cell.
In column 8, 3 fits only in the marked cell.
The marked cell sees every digit except 1 in its row, column and box, so it must be 1.
The marked cell sees every digit except 2 in its row, column and box, so it must be 2.
In the shaded box, 2 fits only in the marked cell.
In column 8, 4 fits only in the marked cell.
In the shaded box, 7 fits only in the marked cell.
In the shaded box, 7 fits only in the marked cell.
In column 8, 1 fits only in the marked cell.
The outlined cells are the only places for 5 in their box, and they all sit in column 1. So the rest of column 1 can’t hold 5. That leaves the marked cell with only one digit it can hold: 6.
In the shaded box, 6 fits only in the marked cell.
In the shaded box, 6 fits only in the marked cell.
In the shaded box, 6 fits only in the marked cell.
In the shaded box, 6 fits only in the marked cell.
In column 3, 2 fits only in the marked cell.
In the shaded box, 5 fits only in the marked cell.
In the shaded box, 2 fits only in the marked cell.
In the shaded box, 2 fits only in the marked cell.
In the shaded box, 1 fits only in the marked cell.
In the shaded box, 1 fits only in the marked cell.
In the shaded box, 4 fits only in the marked cell.
In row 4, 9 fits only in the marked cell.
In the shaded box, 1 fits only in the marked cell.
In the shaded box, 1 fits only in the marked cell.
In row 4, 8 fits only in the marked cell.
In the shaded box, 8 fits only in the marked cell.
In the shaded box, 9 fits only in the marked cell.
In the shaded box, 4 fits only in the marked cell.
In the shaded box, 4 fits only in the marked cell.
In the shaded box, 4 fits only in the marked cell.
In the shaded box, 5 fits only in the marked cell.
In the shaded box, 2 fits only in the marked cell.
In the shaded box, 2 fits only in the marked cell.
In the shaded box, 5 fits only in the marked cell.
In the shaded box, 5 fits only in the marked cell.
In the shaded box, 9 fits only in the marked cell.
In the shaded box, 8 fits only in the marked cell.
In the shaded box, 8 fits only in the marked cell.
In the shaded box, 8 fits only in the marked cell.
In the shaded box, 3 fits only in the marked cell.
In the shaded box, 9 fits only in the marked cell.
In the shaded box, 4 fits only in the marked cell.
In the shaded box, 3 fits only in the marked cell.
In the shaded box, 8 fits only in the marked cell.
In the shaded box, 3 fits only in the marked cell.
In the shaded box, 5 fits only in the marked cell.
In the shaded box, 3 fits only in the marked cell.
In the shaded box, 9 fits only in the marked cell.