Palindromethyst

Normal Sudoku rules apply. PALINDROMES(+)- Cells an equal distance from the center of a purple line are the same number. OTHER THAN THE GIVEN NUMBERS, numbers may only appear at most once, on either side of a palindrome. KROPKI PAIRS- 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 given. KILLER CAGES- Numbers in cages sum to the number in the top left corner of the cage.