Logic Masters Deutschland e.V.

Normal 8x8 sudoku rules apply.

In this puzzle ALL dutch whisper lines are blue and orange:

On the blue dutch whisper lines, all digits on the line are strictly even.

On the orange dutch whisper lines, all digits on the line are strictly odd.

1. Dutch Whispers: Digits on a line have a difference of at least 4.

2. Quadruples: Digits in a circle must appear in that 2x2 area.

3. Black Kropki Dots: Digits separated by a black dot are in a 2:1 ratio, not all dots are given.

Play it on Sudokupad!