Logic Masters Deutschland e.V.

This puzzle was made for Scojo's weekly prompt. The prompt redeemed by LMDemasi, and was to create an approachable doppelgänger puzzle using at most 2 constraints. I'm not sure this was as approachable as intended, but I hope you enjoy!

Rules
DOPPELGÄNGER SUDOKU
- Fill each cell of the main 9x9 grid such that every row, column and 3x3 box contains a 0 and eight different digits from 1-9.
- No two rows, no two columns and no two boxes may be missing the same digit.
- For each 0 in the grid, the digits missing in its row, column and region must be three different digits.

TENTROPY LINES - Every set of 4 adjacent digits on a hollow peach line must contain a digit from each of the X-pair (ten-pair) subsets of {1,9}, {2,8}, {3,7}, and {4,6}. No 0 or 5 may appear on a tentropy line. Digits on a line may repeat if allowed by other rules.

UP TO ZERO SUMS
- A clue outside the grid indicates the sum of all digits from the clue up to the zero (0) in the corresponding row/column.

Play on SudokuPad!