s32 -> s75
s35 -> s75
s15 <-> s19 + s63
s7 <-> s22
s63 <-> s24
s32 <-> s26 + s28
s24 + s26 + s27 + s29 <-> s35
s24 + s39 <-> s37
s37 <-> s40
s1 + s4 <-> s41
s41 + s48 <-> s53
s53 <-> s15 + s60
s25 <-> s64
s41 + s7 <-> s67
s67 <-> s15 + s18
s76 + s77 <-> s82