s47 + s51 -> s45
s48 + s51 <-> s50
s52 <-> s48
s48 -> s47
s45 <-> s50
s45 + s57 -> s58
s58 <-> s61
s61 -> s50 + s57
s60 <-> s62
s58 <-> s60
s61 <-> s62
s63 -> s64
s65 -> s66
s66 -> s51 + s57
s62 <-> s48 + s65
s51 -> s116
s45 -> s117 + s47
s50 -> s117 + s48
s66 -> s118 + s57
s65 -> s118 + s57
s61 -> s48 + s57
s62 -> s48 + s57
s58 -> s47 + s57
s60 -> s47 + s57