Part of the issue is that there's no way of knowing which lowlights now will affect which highlights later until (sometimes quite a while) after the fact.
For example, the sequence might go 6, 8, 4, 18, 9, 5, 14, 2, 4, 4, 10. Or it might go 6, 8, 4, 14, 9, 5, 13, 2, 4, 4, 11; the '14' is only...