Christmas Sudoku - 9x9 Hard Puzzles Improving Logic and Critical ... - Free Printable

- Top-left Sudoku:
- Row 1: 7, 4, 2, 1, 6, 5, 8, 3, 9
- Row 2: 9, 8, 1, 7, 4, 3, 2, 6, 5
- Row 3: 3, 6, 5, 2, 8, 9, 1, 4, 7
- Row 4: 4, 2, 8, 5, 1, 6, 9, 7, 3
- Row 5: 5, 7, 9, 3, 2, 8, 6, 1, 4
- Row 6: 6, 1, 3, 9, 7, 4, 5, 2, 8
- Row 7: 8, 9, 6, 4, 3, 2, 7, 5, 1
- Row 8: 2, 3, 7, 8, 5, 1, 4, 9, 6
- Row 9: 1, 5, 4, 6, 9, 7, 3, 8, 2

- Bottom-left Sudoku:
- Row 1: 2, 6, 8, 3, 7, 4, 1, 9, 5
- Row 2: 4, 1, 3, 5, 9, 6, 7, 2, 8
- Row 3: 9, 7, 5, 1, 8, 2, 6, 5, 3
- Row 4: 3, 8, 2, 7, 4, 6, 5, 1, 9
- Row 5: 7, 5, 9, 2, 1, 8, 3, 6, 4
- Row 6: 8, 4, 6, 9, 3, 5, 2, 7, 1
- Row 7: 6, 2, 1, 8, 5, 7, 4, 3, 9
- Row 8: 5, 9, 7, 4, 6, 3, 8, 1, 2
- Row 9: 1, 3, 4, 6, 2, 9, 5, 8, 7

- Right-side Sudoku:
- Row 1: 6, 1, 9, 5, 8, 7, 4, 2, 3
- Row 2: 2, 5, 3, 6, 4, 1, 9, 7, 8
- Row 3: 4, 8, 7, 2, 3, 9, 6, 5, 1
- Row 4: 3, 6, 8, 5, 7, 2, 1, 4, 9
- Row 5: 1, 2, 5, 4, 8, 6, 3, 9, 7
- Row 6: 9, 7, 4, 3, 1, 8, 2, 6, 5
- Row 7: 8, 3, 6, 9, 4, 5, 7, 1, 2
- Row 8: 5, 9, 1, 7, 2, 3, 8, 4, 6
- Row 9: 7, 4, 2, 8, 6, 1, 5, 3, 9