Logic Masters Deutschland e.V.

Normal Sudoku Rules Apply.

Diagonals: The marked diagonals contain the digits 1-9.

Lines: There are Sequence, Palindromes, Modulo 3, Modulo 4, Renban, 7-whisper, German whisper, Dutch whisper, 3-whisper, and 2-whisper lines.

Black Kropki Dots: The Black Kropki Dots have a ratio of 2:1.

7-whisper lines: Adjacent digits along a red 7-whisper line must differ by at least 7.

German whisper line: Adjacent digits along a green German whisper line must differ by at least 5.

Dutch whisper line: Adjacent digits along an orange Dutch whisper line must differ by at least 4.

3-whisper line: Adjacent digits along a pink 3-whisper line must differ by at least 3.

2-whisper line: Adjacent digits along a dark blue 2-whisper line must differ by at least 2.

Palindrome: Digits along a light gray Palindrome are read the same in both directions.

Sequence line: Digits along dark gray Sequence lines contain digits in order with a constant difference. E.g. 1-2-3, 2-5-8 or even 3-3-3

Modulo 3 line:Digits along a cyan Modulo 3 line come from 3 sets 147, 258, and 369 every segment of 3 on this line must have a digit from each one of the sets, FOR CLARIFICATION THE LINE DOESN'T TURN.

Modulo 4 line: Digits along a teal Modulo 4 line come from 4 sets, 159, 26, 37, and 48 every segment of 4 on this line must have a digit from each one of the sets.

Renban line: Digits on a purple Renban line are consecutive in any order