Oddly Unhinged

Each 3x3 region contains the digits 1-9 once each and no digit repeats in any row or column. Cells outside regions don't contain digits.

Disjoint Set: Digits must not repeat at corresponding box positions.

The digits in a cage must sum to the number printed in its corner. Digits may not repeat within a cage.

Digits along diagonals pointed to by arrows outside the grid must sum to the number listed.

The digits along each arrow must sum to the digit in the circled cell.