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Archive · Mini Sudoku #1

Mini Sudoku #1 (September 27, 2026): solution and step-by-step

The hard 6×6 from Sunday, September 27, 2026. Play it first; the moves and the solved grid are folded below. Replays don't affect your streak.

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Mini Sudoku #1 was the hard 6×6 of Sunday, September 27, 2026, with 11 clues given and 25 cells to fill. Our technique solver, the one behind the hint button, fills it in 25 steps using 7 hidden singles and 18 naked singles; no pencil-mark technique is needed, so every cell can be placed by scanning rows, columns and boxes. That profile gives it a difficulty score of 43 on our scale (easy below 25, medium below 34, hard below 45, expert above).

Mini Sudoku #1 in numbers

DifficultyHard (score 43)
Clues given11 of 36
Solver steps25
Naked singles18
Hidden singles7
Pairs, pointing and claiming0
X-wings0
Hint walk: digits placed / pencil-mark steps25 / 0
How to start Mini Sudoku #1: the first 12 moves

Each move is what the hint button would say at that point, from the empty grid. Rows and columns are counted from the top-left corner.

  1. 3 goes in row 1, column 2. 3 has just one place left in row 1: every other empty cell there already sees a 3.

  2. 2 goes in row 4, column 6. 2 has just one place left in row 4: every other empty cell there already sees a 2.

  3. 2 goes in row 5, column 3. 2 has just one place left in row 5: every other empty cell there already sees a 2.

  4. 2 goes in row 2, column 1. 2 has just one place left in row 2: every other empty cell there already sees a 2.

  5. 3 goes in row 6, column 6. 3 has just one place left in row 6: every other empty cell there already sees a 3.

  6. 3 goes in row 3, column 5. 3 has just one place left in row 3: every other empty cell there already sees a 3.

  7. 5 goes in row 3, column 4. 5 has just one place left in row 3: every other empty cell there already sees a 5.

  8. 4 goes in row 5, column 4. Row 5, column 4 can only be 4: every other number already sits in its row, column or box.

  9. 5 goes in row 5, column 5. Row 5, column 5 can only be 5: every other number already sits in its row, column or box.

  10. 6 goes in row 6, column 4. Row 6, column 4 can only be 6: every other number already sits in its row, column or box.

  11. 1 goes in row 4, column 4. Row 4, column 4 can only be 1: every other number already sits in its row, column or box.

  12. 4 goes in row 4, column 2. Row 4, column 2 can only be 4: every other number already sits in its row, column or box.

13 more moves finish the grid.

Mini Sudoku #1 solution

Given clues in grey, filled digits in black.

Row by row: 4 3 6 2 1 5 · 2 1 5 3 4 6 · 6 2 1 5 3 4 · 5 4 3 1 6 2 · 3 6 2 4 5 1 · 1 5 4 6 2 3.

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