a= master cylinder to proportioning block
b= front proportioning block to rear of car with inline bias valve
c = driver side inner fender bulkhead to proportioning block
d = firewall line from proportioning block to passenger inner fender bulkhead.
yes you can "twist" you shouldnt have to get too carried away. they should be close. just be careful not to kink them. they are stainless it looks like so they should move without kinking.