root 6.0 3.0 4.0 clade1 2.0 2.0 6.0 gene1 11.0 4.0 gene2 12.0 1.0 gene3 10.0 clade2 13.0 4.0 gene6 12.0 2.0 gene7 12.0 1.0 2.0 2.0 clade3 8.0 8.0 gene9 12.0 4.0 gene10 11.0 3.0 gene12 12.0 3.0