Sum Line: Box borders split blue lines into sections, and the digits on those sections must sum to the same value.
Ratio Pairs: Digits separated by a black dot are in a 1:2 ratio.
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Solution code: Row 9, left to right, 9 digits no spaces
on 25. July 2025, 15:24 by GeorgeTheToad2
Loved it. Thank you both.
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