1graph { 2 0 [ style="filled", fillcolor="#9999ff" ]; 3 1 [ style="filled", fillcolor="#333399", fontcolor=white ]; 4 2 [ style="filled", fillcolor="#9999ff" ]; 5 3 [ style="filled", fillcolor="#9999ff" ]; 6 4 [ style="filled", fillcolor="#9999ff" ]; 7 5 [ style="filled", fillcolor="#333399", fontcolor=white ]; 8 6 [ style="filled", fillcolor="#9999ff" ]; 9 7 [ style="filled", fillcolor="#9999ff" ]; 10 3 -- 4 [ taillabel="4" ]; 11 3 -- 6 [ taillabel="3" ]; 12 3 -- 5 [ taillabel="1" ]; 13 0 -- 4 [ taillabel="3" ]; 14 0 -- 1 [ taillabel="1" ]; 15 0 -- 6 [ taillabel="2" ]; 16 0 -- 7 [ taillabel="6" ]; 17 0 -- 5 [ taillabel="1" ]; 18 0 -- 2 [ taillabel="8" ]; 19 4 -- 1 [ label="1" ]; 20 1 -- 6 [ label="1" ]; 21 1 -- 5 [ label="80", len=4 ]; 22 6 -- 7 [ label="2" ]; 23 7 -- 5 [ label="1" ]; 24 5 -- 2 [ label="1" ]; 25}