CABRI Version 3.1, Dec 1992 
grid : -20
#vertices: 20 #edges: 30

0 degree: 3     1 5 14
      coord.: 207 85 val.: 0 shape:  round  size: 3 offsets: 7 4
1 degree: 3     0 2 15
      coord.: 238 148 val.: 1 shape:  round  size: 3 offsets: 7 4
2 degree: 3     1 12 3
      coord.: 276 83 val.: 2 shape:  round  size: 3 offsets: 7 4
3 degree: 3     4 8 2
      coord.: 386 173 val.: 3 shape:  round  size: 3 offsets: 7 4
4 degree: 3     3 5 17
      coord.: 340 232 val.: 4 shape:  round  size: 3 offsets: 7 4
5 degree: 3     4 0 6
      coord.: 418 232 val.: 5 shape:  round  size: 3 offsets: 7 4
6 degree: 3     7 11 5
      coord.: 348 419 val.: 6 shape:  round  size: 3 offsets: 7 4
7 degree: 3     18 8 6
      coord.: 291 364 val.: 7 shape:  round  size: 3 offsets: 7 4
8 degree: 3     7 3 9
      coord.: 297 435 val.: 8 shape:  round  size: 3 offsets: 7 4
9 degree: 3     10 14 8
      coord.: 156 435 val.: 9 shape:  round  size: 3 offsets: 7 4
10 degree: 3     19 11 9
      coord.: 164 352 val.: 10 shape:  round  size: 3 offsets: 7 4
11 degree: 3     10 6 12
      coord.: 90 391 val.: 11 shape:  round  size: 3 offsets: 7 4
12 degree: 3     13 2 11
      coord.: 63 227 val.: 12 shape:  round  size: 3 offsets: 7 4
13 degree: 3     16 14 12
      coord.: 139 227 val.: 13 shape:  round  size: 3 offsets: 7 4
14 degree: 3     13 9 0
      coord.: 94 167 val.: 14 shape:  round  size: 3 offsets: 7 4
15 degree: 3     1 19 18
      coord.: 238 206 val.: 15 shape:  round  size: 3 offsets: 7 4
16 degree: 3     13 18 17
      coord.: 178 255 val.: 16 shape:  round  size: 3 offsets: 7 4
17 degree: 3     4 16 19
      coord.: 293 256 val.: 17 shape:  round  size: 3 offsets: 7 4
18 degree: 3     7 15 16
      coord.: 275 322 val.: 18 shape:  round  size: 3 offsets: 7 4
19 degree: 3     10 15 17
      coord.: 199 324 val.: 19 shape:  round  size: 3 offsets: 7 4