digraph set001_sums
{
layout = neato
overlap = false
h [label="h=7"];
b [label="b=8"];
c [label="c=11"];
e [label="e=1"];
f [label="f=2"];
a [label="a=3"];
d [label="d=5"];
g [label="g=6"];
c -> {d,a,f,e} [color=aliceblue, label=0];
c -> {g,a,f} [color=antiquewhite, label=1];
c -> {g,d} [color=aqua, label=2];
c -> {h,a,e} [color=aquamarine, label=3];
c -> {b,f,e} [color=azure, label=4];
c -> {b,a} [color=beige, label=5];
b -> {d,f,e} [color=bisque, label=6];
b -> {d,a} [color=black, label=7];
b -> {g,f} [color=blanchedalmond, label=8];
b -> {h,e} [color=blue, label=9];
h -> {d,f} [color=blueviolet, label=10];
h -> {g,e} [color=brown, label=11];
g -> {a,f,e} [color=burlywood, label=12];
g -> {d,e} [color=cadetblue, label=13];
d -> {a,f} [color=chartreuse, label=14];
a -> {f,e} [color=chocolate, label=15];
}