I've been trying to understand the math that makes balancers work. 4x4 is easy enough to figure out. But can anyone help in making sense out of the balancers that have belts
Factorio belt/lane balancers - Album on Imgur
Factorio Workshop - Building A Better Factory :: N to N Belt / Lane Balancers - YouTube
Another belt balancer compendium (pastebin link in comments) : r/factorio