Java output:
17 has no neighbor points
7 has no neighbor points
8 has no neighbor points
strict digraph {
0[color=red];
1[color=blue];
2[color=red];
3[color=blue];
4[color=red];
5[color=blue];
6[color=red];
7[color=blue];
8[color=blue];
15[color=blue];
16[color=red];
17[color=blue];
19[color=red];
16->17;
0->1;
0->2;
1->2;
1->3;
2->3;
2->4;
19->19;
3->4;
3->5;
4->5;
4->6;
5->6;
5->7;
6->7;
6->8;
15->16;
}
number of points: 13
number of edges: 17
is bipartite:false