(A:0.1,B:0.2,(C:0.3,D:0.4)E:0.5);
((A:0.1,B:0.2,(C:0.3,D:0.4)E:0.5)F:0.6,G:0.7);
(((A:0.1,B:0.2,(C:0.3,D:0.4)E:0.5)F:0.6,G:0.7)H:0.8,I:0.9);
