Symmetry, By Design

Normal Sudoku rules apply. ROTATIONAL SYMMETRY- Corresponding cells 180 degrees apart on the grid sum to 10. EXAMPLE: The numbers in Row 3 Column 3 and in Row 7 column 7 must sum to 10. GERMAN WHISPERS(+)- Numbers on green lines are EXACTLY 5 apart from their neighbors on the line. ARROWS- Numbers on arrows sum to the number in the arrow's circle. KROPKI PAIRS- Numbers with a black dot between them are in a ratio of 2:1. Not all possible dots are given. KILLER CAGES- Numbers in cages sum to the number in the top left corner of the cage.