Logic Masters Deutschland e.V.

Normal sudoku rules apply.

Region Sum: box borders separate the blue line into sections, each of which has the same sum.

Entropic Lines: Each set of three digits along an orange entropic line must contain one low digit from {1,2,3}, one middly digit from {4,5,6}, and one high digit from {7,8,9}.

Modular Lines: Each set of three digits along a yellow modular line must contain one digit from the zero {3,6,9}, one {1,4,7}, and two {2,5,8} modulo 3 sets.

Kropki: Two digits separated by a black dot are in a 1:2 ratio. Two digits separated by a white dot are consecutive. Not all dots are necessarily given.

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