Logic Masters Deutschland e.V.

Normal sudoku rules apply.
Digits cannot repeat within a cage.
Along green lines, digits must differ from their neighbors by at least 5.
Purple lines contain a non-repeating set of consecutive digits in any order.
Digits in cells separated by a V sum to 5.
Digits in cells separated by an X sum to 10.
Digits in cells separated by a black dot have a 1:2 ratio.
(No negative constraints. The shading is strictly aesthetic.)

SudokuPad | unshaded | F-Puzzles | unshaded

This puzzle originally appeared in Artisanal Sudoku, where I publish five new sudokus every week across a range of difficulties (this one is toward the tougher end of the spectrum). Check it out! And/or tell someone about it!