Hints for SUDOKU #21
Spoiler-safe hints for the SUDOKU puzzle of October 11, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.
Hint 1
55 squares to fill. Work box by box: pick a number and see how many squares in the box it can still go in.
Hint 2
The easiest square on the board right now is row 3, column 4. Look at what its row, column and box already hold.
Hint 3
Row 3, column 4 is a 6.
The answer
Contains the answer. Open only if you are stuck.
8 3 6 | 2 5 7 | 4 9 1 1 9 2 | 8 3 4 | 6 7 5 5 7 4 | 6 9 1 | 2 8 3 --------------------- 6 4 9 | 1 7 8 | 3 5 2 7 5 3 | 4 2 9 | 8 1 6 2 1 8 | 3 6 5 | 9 4 7 --------------------- 3 8 5 | 9 1 6 | 7 2 4 4 6 1 | 7 8 2 | 5 3 9 9 2 7 | 5 4 3 | 1 6 8
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SUDOKU
The logic puzzle everyone knows: fill the grid so every row, every column and every 3×3 box holds 1 to 9 exactly once. One grid a day, gentle on Monday and hardest on Saturday, with pencil notes, undo and a check button whenever you want one.