Medium Sudoku (printable)
A 9 by 9 sudoku with fewer clues, which needs a little more scanning and a few pencilled notes.
How to use this page
- Choose a difficulty. Fewer starting numbers make the puzzle harder.
- Press Print, or New puzzle for a different puzzle.
- Fill each empty square so that every row, every column and every box has each number once.
- Tick Show answers to check your solution.
About this sudoku
A 9 by 9 sudoku with fewer clues, which needs a little more scanning and a few pencilled notes.
Tips
- Look for a row, column or box that already has most of its numbers, and work out which are missing.
- Pencil small possible numbers in the corner of a square, then rub them out as you find the answer.
- Never guess. Every puzzle here has exactly one solution, and it can be found by logic.
- Start with the numbers that appear most often among the clues.
Common questions
Does every puzzle have only one solution?
Yes. The puzzles are checked, and each one has exactly one solution.
How hard is hard?
The hard puzzles have fewer starting numbers, and need more advanced techniques, such as looking for pairs.
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