Logic Masters Deutschland e.V.

Rules:

• Normal Sudoku rules apply.
• Zipper: On thin lavender lines, pairs of digits equidistant from the center sum to the central digit (marked with a dot).
• Entropic Lines: Each set of three consecutive digits along a thick peach line will contain one low digit (1,2,3), one medium digit (4,5,6) and one high digit (7,8,9).