28:speciation&26:duplication&14:duplication&12:duplication&10:duplication&8:duplication&0:leaf&7:creation&3:creation&1:leaf&2:leaf&6:creation&4:leaf&5:leaf&9:leaf&11:leaf&13:leaf&25:speciation&19:duplication&17:duplication&15:leaf&16:leaf&18:leaf&24:duplication&20:leaf&23:creation&21:leaf&22:leaf&27:leaf