Mobius Strip

Normal Sudoku rules apply. Numbers on the green line are at least 5 apart from their neighbors on the line. Numbers outside the grid show the sum of the indicated diagonal. Numbers with a white dot between them are consecutive. Numbers with a black dot between them are in a ratio of 2:1. Not all possible dots are shown. (THE ANSWER KEY ON LOGIC MASTERS DEUTSCHLAND, LISTED HERE, IS IMPORTANT TO SOLVE THIS PUZZLE: If the solver's family name begins with English letters A-M, list the numbers in column 7 from TOP TO BOTTOM, and on the 28 and 17 diagonals, moving away from the arrows (18 numbers total). If the solver's family name begins with English letters N-Z, list the numbers on the 29 and 16 diagonals, moving away from the arrows, and then column 3, from BOTTOM TO TOP (18 numbers total). HINT: The answer key must be the same no matter what your name is.