Logic Masters Deutschland e.V.

6x6 Chaos Construction rules apply: Divide the grid into 6 orthogonally connected regions with 6 cells each. Place the digits 1-6 exactly once into every row, column, and region. It is up to the solver to determine where these regions are.

Region Sum Lines: Blue lines are split into segments by region borders. For each individual line, the sum of the digits on each segment is the same. Lines can revisit the same region. Lines must not be entirely within one region.

Kropki dots: Digits separated by a white dot are consecutive. A white dot separates digits from two different regions.

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