It takes 3 to Tango

Normal Sudoku rules apply.

Digits that appear in the same relative position in Boxes 1 through 9 must not contain the same digit.

A clue outside the grid shows the sum along the diagonal indicated. Digits may repeat along the diagonal if permitted by other rules.

The digits along each arrow must sum to the digit in the circled cell. Digits may repeat along an arrow if permitted by other rules.

Digits in a cage sum to the digit in the cage's top left corner. Digits cannot repeat within a cage.