Logic Masters Deutschland e.V.

Entropic Lines: Along a beige line, any group of three consecutive cells must contain on low {1,2,3}, one medium {4,5,6}, and one high {7,8,9} digit.

Each line must also obey one of the following:

German Whispers: Along a whisper line, adjacent digits must differ by at least 5.

Modular Lines: Along a modular line any three adjacent digits must all have different remainders when divided by 3.

Region Sum Lines: The digits along a region sum line must have the same sum within each 3x3 box the line passes through.

Renban: A renban line must contain a non-repeating set of consecutive digits which may appear in any order.

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