// extra constraints to try to fix break.

constraint 	D153.CB	K181.CB	4 5.12 8
constraint 	N154.CB	S182.CB	4 5.12 6
constraint 	V155.CB	C183.CB	4 5.12 6
constraint 	A156.CB	S184.CB	4 5.12 6
constraint 	I157.CB	A185.CB	4 5.12 6
constraint 	T158.CB	F186.CB	4 5.12 7