Logic Masters Deutschland e.V.

Leaves and beach (green and yellow lines): digits on each line have a difference of at least 5 to their neighbors.

Tree trunk and ocean (brown and blue lines): entropy lines: each set of three cells along each line must contain one low digit (123), one medium digit (456) and one high digit (789).

Muscles on the beach (white and black dots): white dots link cells with consecutive digits. Black dots link cells with digits which have a ratio of 1:2. Not all possible dots are given.

Coconuts (brown circles): the four surrounding digits of each circle are either all even or all odd.

Sudokupad: Link to Sudokupad

F-Puzzles-Link: F-Puzzles link