Logic Masters Deutschland e.V.

Rules:

Normal sudoku rules apply

In cages digits must sum to the number in the top left corner, digits may not repeat in cages

Black dots separate 2 digits that have a 1:2 ratio

Grey lines are palindromes, they read the same forwards and backwards

Numbers outside the grid give the sum of the digits along the given diagonals

X separates 2 digits that sum to 10 and V 2 digits that sum to 5

Hope you enjoy