Rules:
Normal Sudoku rules apply.
Digits within a cage must sum to the number in the top-left corner of the cage.
Clues outside the grid give the sum of digits along the indicated diagonal.
Green lines separate digits with an absolute difference of 5 or more.
Try it on the CTC app or on f-puzzles.
Puzzle:
Solution code: Row 6 (left to right) and column 6 (top to bottom); 18 digits, no spaces.