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



Ambiguous triples (i.e. list of triples for which there is ambiguous data about whether they are colliders or not):
<X11, X9, X13>
<X14, X1, X13>
<X9, X5, X10>
<X11, X5, X10>
<X9, X13, X1>
<X5, X9, X13>
<X5, X10, X3>