Normal sudoku rules apply.
Adjacent digits along a line differ by 4 or 5.
Orthogonally adjacent digits not connected by a line do not differ by 4 or 5.
On a black dot, one digit is double the other.
Solve in SudokuPad
Lösungscode: Row 1
am 29. Oktober 2026, 17:58 Uhr von dleclair
Clarified rules
am 29. Oktober 2026, 17:42 Uhr von reformist
For digits not along a line, are diagonal cells considered adjacent?
EDIT: Never mind. I see that would be impossible!