EmptySet -> Perm
Perm -> EmptySet
EmptySet -> Timm
Timm -> EmptySet
EmptySet -> Clkm
Clkm -> EmptySet
CCc -> CCn
CCn -> CCc
PTn -> PTc
PTc -> PTn
Clkc + species_0000012 <-> CCc
Perc + Timc <-> PTc
EmptySet -> Timc
EmptySet -> Clkc
EmptySet -> Perc
Perc -> EmptySet
PTc -> EmptySet
PTn -> EmptySet
CCc -> EmptySet
Clkc -> EmptySet
CCn -> EmptySet
Timc -> EmptySet
Perm -> EmptySet
Perc -> EmptySet
Timm -> EmptySet
Timc -> EmptySet
PTc -> EmptySet
PTn -> EmptySet
Clkm -> EmptySet
Clkc -> EmptySet
CCc -> EmptySet
CCn -> EmptySet