Zipper Line Sudoku

The Zipper Line is an engaging and challenging variant with lines in various shapes on the grid. Notably, the length of a Zipper Line is always an odd number.

Zipper line rule: the sum of digits in equal distances from the center of the line equals to the digit in the center of the line.

Note: A Zipper Line can take many shapes, so a single cell might appear twice in different places within the Zipper Line. In some cases, the starting and ending cells can be the same.

Refer to the examples in the image below for good and bad examples of Zipper Line.