Comment by sam1r

The flow diagram provided for fracture control is incredible. Quite a work of art. [1]

[1] https://substackcdn.com/image/fetch/$s_!AOMG!,f_auto,q_auto:...

Update: After staring at this flow diagram for quite some time, I realize it's actually the most robust, "complete-seeming" finite state machine I have seen used in the real world.