Non-consecutive Sudoku
Two horizontal or vertical adjacent cells cannot have consecutive digits.
Non-consecutive Rule: A consecutive digit cannot be placed directly above, below, to the right, or to the left of another digit.
Example:
In the image below, adjacent numbers with a red X between them are illegal. Adjacent digits with a green ✔ are legal.
Solving Tips
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Two Adjacent Cells:
- If a digit can only be placed in two adjacent cells, a consecutive cannot be placed in these cells.
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Three Adjacent Cells:
- If a digit can only be placed in three adjacent cells, a consecutive cannot be placed in the middle cell.
By following these tips, you’ll be able to make smarter deductions and solve non-consecutive puzzles more efficiently.
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