Rules:
Place the digits 1-9 into every row, column, and irregularly-shaped 9 cell region.
Dutch Whisper: Adjacent digits along an orange line must differ by at least 4.
Renban: Digits along a purple line form a set of consecutive digits in any order.
Kropki Dots: If two digits are separated by a black dot, one is double the other.
Solution code: Row 6
today, 15:59 by PuzzlePatzer
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