Graph Nodes:
X1;X2;X3;X4;X5;X6;X7;X8;X9;X10;X11;X12;X13;X14;X15;X16;X17;X18;X19;X20;X21;X22;X23;X24;X25;X26;X27;X28;X29;X30;X31;X32;X33;X34;X35;X36;X37;X38;X39;X40;X41;X42;X43;X44;X45;X46;X47;X48

Graph Edges:
1. X1 --> X4
2. X1 --> X5
3. X1 --> X7
4. X1 --> X10
5. X1 --> X18
6. X2 --> X3
7. X2 --> X5
8. X3 --> X4
9. X4 --> X8
10. X4 --> X11
11. X5 --> X8
12. X5 --> X11
13. X6 --> X7
14. X6 --> X10
15. X6 --> X12
16. X7 --> X8
17. X8 --> X14
18. X8 --> X16
19. X8 --> X25
20. X9 --> X10
21. X9 --> X13
22. X10 --> X12
23. X10 --> X13
24. X11 --> X12
25. X12 --> X15
26. X13 --> X14
27. X14 --> X15
28. X15 --> X16
29. X15 --> X24
30. X16 --> X41
31. X17 --> X19
32. X17 --> X23
33. X17 --> X30
34. X18 --> X19
35. X18 --> X37
36. X19 --> X35
37. X19 --> X36
38. X19 --> X41
39. X19 --> X48
40. X20 --> X21
41. X20 --> X34
42. X20 --> X39
43. X21 --> X41
44. X22 --> X24
45. X23 --> X24
46. X24 --> X25
47. X25 --> X35
48. X25 --> X36
49. X25 --> X38
50. X25 --> X43
51. X25 --> X44
52. X26 --> X28
53. X27 --> X28
54. X28 --> X33
55. X29 --> X32
56. X30 --> X31
57. X31 --> X32
58. X32 --> X33
59. X33 --> X35
60. X34 --> X35
61. X34 --> X44
62. X35 --> X36
63. X35 --> X38
64. X35 --> X42
65. X35 --> X44
66. X36 --> X40
67. X36 --> X44
68. X36 --> X45
69. X36 --> X46
70. X36 --> X47
71. X37 --> X38
72. X37 --> X43
73. X37 --> X48
74. X38 --> X40
75. X38 --> X42
76. X38 --> X45
77. X38 --> X46
78. X38 --> X47
79. X39 --> X40
80. X39 --> X45
81. X39 --> X46
82. X39 --> X47
83. X40 --> X41
84. X40 --> X43
