The figure shows a parent configuration version 2 with a start date of 3/15 that has a child configuration version 1 with start date of 4/15, which has end date of 5/15; child configuration version 2 has a start date of 5/15. The figure also shows a parent configuration version 3 with a start date of 7/15 that has a child configuration version 3 with start date of 6/15.