Logic Masters Deutschland e.V.

Normal 6x6 Sudoku rules apply. Place the digits 1-6 exactly once in every row, column, and 2x3 box.
Renban: Positive integers on a pink/purple line comprise a set of consecutive numbers in any order.
X-Sums: Numbers outside the 6x6 grid are X-Sums clues. Their value is the sum of the first X digits from the clue, where X is the first seen digit.