Logic Masters Deutschland e.V.

An excuse to come back around to 6-lines again!

Rules:

- Normal Sudoku rules apply.

- 6-lines - digits along a pink 6-line must differ in value from their neighbor on the line by at least 6.

- German whispers - digits along a green German whisper line must differ in value from their neighbor on the line by at least 5.

- Dutch Whispers - digits along an orange Dutch Whisper line must differ in value from their neighbor on the line by at least 4.

- Palindromes - digits along a gray palindrome line must read the same forwards and backwards.

- XV sums - digits separated by an X must sum to 10; digits separated by a V must sum to 5. No negative constraint.

- Kropki dots - digits separated by a white Kropki dot must have a difference in value of 1; digits separated by a black Kropki dot must have a value ratio of 1:2. No negative constraint.

Puzzle:

Sudokupad link