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