Hard sudoku: sheet 4
Four hard sudoku puzzles. Fill each row, column and 3x3 box with the numbers 1 to 9. The answers print on a second page.
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Puzzle 1 | | | | 9 | | 1 | | |
| 3 | | | | 6 | | | |
| | 2 | | | | | | 3 |
| 4 | | 9 | | 1 | 5 | 7 | | |
| 7 | | | 6 | | | | |
| | | | | | 8 | | |
| 9 | | 6 | 4 | | 2 | | 1 | |
| 3 | | | | | 8 | | 5 | 2 |
| | 7 | | | | | 9 | 8 |
Puzzle 2 | | | 5 | | 8 | | | 3 |
| | 4 | | | | | | 1 |
| 5 | | 1 | | | | | 2 | 6 |
| | 8 | 3 | | | | | |
| 3 | 6 | | | | | | | 8 |
| | | 1 | | | 6 | | |
| 1 | | 3 | | 9 | 6 | | 5 | |
| | | | 3 | | | | 2 |
| 4 | | | | | | 3 | 1 | |
Puzzle 3 | | | | 6 | | | 8 | 3 |
| 8 | | | | | | 7 | 4 |
| 1 | 4 | | | 2 | | | |
| | 3 | | 7 | | 9 | 5 | |
| 6 | | 5 | | 1 | 8 | 3 | | |
| | | | | 5 | | | |
| | 1 | | | | | | |
| | | | | | 8 | | 7 |
| 7 | 2 | | | 3 | | | | 1 |
Puzzle 4| 3 | | | | 7 | | | 1 | |
| | 1 | 5 | 6 | | | | |
| 8 | 9 | | | 3 | | | | 7 |
| 3 | | | | 1 | 5 | | |
| 6 | | | 8 | | | | 2 |
| 5 | | | | | | 7 | 8 | |
| | 9 | | | | | | |
| 6 | | | | | | 8 | 9 | |
| 8 | | 9 | | | | 3 | |
Answers
Puzzle 1| 7 | 6 | 5 | 2 | 9 | 3 | 1 | 8 | 4 |
| 1 | 3 | 4 | 5 | 8 | 6 | 2 | 7 | 9 |
| 8 | 9 | 2 | 1 | 4 | 7 | 5 | 6 | 3 |
| 4 | 2 | 9 | 8 | 1 | 5 | 7 | 3 | 6 |
| 5 | 7 | 8 | 3 | 6 | 4 | 9 | 2 | 1 |
| 6 | 1 | 3 | 7 | 2 | 9 | 8 | 4 | 5 |
| 9 | 8 | 6 | 4 | 5 | 2 | 3 | 1 | 7 |
| 3 | 4 | 1 | 9 | 7 | 8 | 6 | 5 | 2 |
| 2 | 5 | 7 | 6 | 3 | 1 | 4 | 9 | 8 |
Puzzle 2| 6 | 7 | 2 | 5 | 1 | 8 | 4 | 9 | 3 |
| 9 | 3 | 4 | 6 | 7 | 2 | 5 | 8 | 1 |
| 5 | 8 | 1 | 9 | 4 | 3 | 7 | 2 | 6 |
| 7 | 1 | 8 | 3 | 6 | 9 | 2 | 4 | 5 |
| 3 | 6 | 9 | 2 | 5 | 4 | 1 | 7 | 8 |
| 2 | 4 | 5 | 1 | 8 | 7 | 6 | 3 | 9 |
| 1 | 2 | 3 | 7 | 9 | 6 | 8 | 5 | 4 |
| 8 | 5 | 7 | 4 | 3 | 1 | 9 | 6 | 2 |
| 4 | 9 | 6 | 8 | 2 | 5 | 3 | 1 | 7 |
Puzzle 3| 9 | 5 | 7 | 1 | 6 | 4 | 2 | 8 | 3 |
| 2 | 8 | 6 | 5 | 9 | 3 | 1 | 7 | 4 |
| 3 | 1 | 4 | 7 | 8 | 2 | 6 | 9 | 5 |
| 1 | 4 | 3 | 2 | 7 | 6 | 9 | 5 | 8 |
| 6 | 7 | 5 | 9 | 1 | 8 | 3 | 4 | 2 |
| 8 | 9 | 2 | 3 | 4 | 5 | 7 | 1 | 6 |
| 5 | 6 | 1 | 8 | 2 | 7 | 4 | 3 | 9 |
| 4 | 3 | 9 | 6 | 5 | 1 | 8 | 2 | 7 |
| 7 | 2 | 8 | 4 | 3 | 9 | 5 | 6 | 1 |
Puzzle 4| 3 | 5 | 6 | 2 | 7 | 8 | 9 | 1 | 4 |
| 4 | 7 | 1 | 5 | 6 | 9 | 3 | 2 | 8 |
| 8 | 9 | 2 | 1 | 3 | 4 | 6 | 5 | 7 |
| 2 | 3 | 8 | 7 | 4 | 1 | 5 | 6 | 9 |
| 9 | 6 | 7 | 3 | 8 | 5 | 1 | 4 | 2 |
| 5 | 1 | 4 | 6 | 9 | 2 | 7 | 8 | 3 |
| 1 | 4 | 9 | 8 | 5 | 3 | 2 | 7 | 6 |
| 6 | 2 | 3 | 4 | 1 | 7 | 8 | 9 | 5 |
| 7 | 8 | 5 | 9 | 2 | 6 | 4 | 3 | 1 |
From Sidekick Arcade: free puzzles and games at sidekickarcade.com
