Logic Masters Deutschland e.V.

Rules:

The peach line is an Entropic line. Every set of three digits along the line must contain a low digit (1,2,3), a medium digit (4,5,6), and a high digit (7,8,9).

The orange line is a Dutch Whisper line. Adjacent digits along the line must have a difference of at least four.

The blue line is a Region Sum line. Box borders split the line into segments. Each segment must have the same sum.

The red line is a Parity line. Adjacent digits along the line must alternate parity.

The grey circles are odd.

The white dots separate consecutive digits.

The black dots separate digits in a 1:2 ratio.

The V's separate digits that add to 5.

The X's separate digits that add to 10.

Play it on SudokuPad.