*Vertices     21
1 "1"             100   100 [0-*]
2 "2"             100   100  [0-*]
3 "3"             100   100  [0-*]
4 "4"             100   10 [0-*]
5 "5"             100   100  [0-*]
6 "6"             100   100  [0-*]
7 "7"             100   100  [0-*]
8 "8"             10   100  [0-*]
9 "9"             100   100  [0-*]
10 "10"             100   100  [0-*]
11 "11"             100   100  [0-*]
12 "12"             100   100  [0-*]
13 "13"             100   100  [0-*]
14 "14"             100   10 [0-*]
15 "15"             100   100  [0-*]
16 "16"             100   100  [0-*]
17 "17"             100   100  [0-*]
18 "18"             200   100  [0-*]
19 "19"             100   100  [0-*]
20 "20"             100   100  [0-*]
21 "21"             100   100  [0-*]
*Arcs 
1 19 1 [0-*]
2 11 1 [0-*]
3 19 1 [0-*]
4 19 1 [0-*]
5 21 1 [0-*]
6 21 1 [0-*]
7 21 1 [0-*]
8 21 1 [0-*]
9 20 1 [0-*]
10 20 1 [0-*]
11 20 1 [0-*]
12 20 1 [0-*]
16 18 1 [0-*]
15 18 1 [0-*]
14 18 1 [0-*]
13 18 1 [0-*]
19 17 1 [0-*]
21 17 1 [0-*]
18 17 1 [0-*]
20 17 1 [0-*]
1 20 1 [2-3]
9 15 1 [4-5]