Split Pea Lines

What is the Split Pea Lines rule?

Split Pea Lines is a variant sudoku rule: digits on a line between two circles sum to a two-digit number, whose tens digit is in one circle and whose ones digit is in the other.

In every puzzle here the setter’s own rules text is shown beside the board, so the exact wording for the puzzle you are solving is always one glance away. All normal sudoku rules apply unless the setter says otherwise.