Graph Nodes:
X1;X2;X3;X4;X5;X6;X7;X8;X9;X10;X11;X12;X13;X14;X15;X16;X17;X18;X19;X20

Graph Edges:
1. X1 --- X11
2. X1 --> X20
3. X10 --> X13
4. X11 --> X15
5. X11 --- X17
6. X11 --> X20
7. X12 --- X14
8. X13 --> X18
9. X15 --> X16
10. X17 --> X2
11. X19 --> X15
12. X2 --> X13
13. X2 --- X19
14. X2 --> X20
15. X3 --- X12
16. X3 --> X17
17. X4 --> X20
18. X4 --> X9
19. X5 --- X12
20. X6 --> X13
21. X6 --- X19
22. X6 --> X2
23. X6 --> X9
24. X7 --> X15
25. X8 --> X17
26. X8 --- X18



Ambiguous triples (i.e. list of triples for which there is ambiguous data about whether they are colliders or not):
<X3, X12, X5>
<X5, X12, X14>
<X11, X17, X8>
<X1, X11, X17>
<X3, X12, X14>
<X8, X18, X13>
<X19, X2, X17>
<X11, X17, X3>