((((gene1:11[&&NHX:S=Species1],gene2:12[&&NHX:S=Species1]):6,gene3:10[&&NHX:S=Species1])clade1:12,
 (gene6:12[&&NHX:S=Species2],gene7:12[&&NHX:S=Species2])clade2:13):2,
 ((gene9:12[&&NHX:S=Species3],gene10:11[&&NHX:S=Species3])clade3:8, 
 gene12:12[&&NHX:S=Species4]):2)root:6;