# columns = ['i', 'j', 'weight', 'delay']
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60.0	0.0	0.12	1.0
99.0	0.0	0.12	1.0
24.0	0.0	0.12	1.0
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11.0	1.0	0.12	1.0
82.0	1.0	0.12	1.0
12.0	1.0	0.12	1.0
10.0	1.0	0.12	1.0
19.0	1.0	0.12	1.0
56.0	2.0	0.12	1.0
84.0	2.0	0.12	1.0
11.0	2.0	0.12	1.0
59.0	2.0	0.12	1.0
76.0	2.0	0.12	1.0
25.0	3.0	0.12	1.0
14.0	3.0	0.12	1.0
73.0	3.0	0.12	1.0
22.0	3.0	0.12	1.0
44.0	3.0	0.12	1.0
95.0	4.0	0.12	1.0
72.0	4.0	0.12	1.0
45.0	4.0	0.12	1.0
21.0	4.0	0.12	1.0
52.0	4.0	0.12	1.0
6.0	5.0	0.12	1.0
26.0	5.0	0.12	1.0
37.0	5.0	0.12	1.0
93.0	5.0	0.12	1.0
49.0	5.0	0.12	1.0
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49.0	6.0	0.12	1.0
51.0	6.0	0.12	1.0
93.0	6.0	0.12	1.0
4.0	7.0	0.12	1.0
82.0	7.0	0.12	1.0
24.0	7.0	0.12	1.0
42.0	7.0	0.12	1.0
3.0	7.0	0.12	1.0
81.0	8.0	0.12	1.0
12.0	8.0	0.12	1.0
22.0	8.0	0.12	1.0
58.0	8.0	0.12	1.0
86.0	8.0	0.12	1.0
26.0	9.0	0.12	1.0
56.0	9.0	0.12	1.0
44.0	9.0	0.12	1.0
88.0	9.0	0.12	1.0
19.0	9.0	0.12	1.0
55.0	10.0	0.12	1.0
35.0	10.0	0.12	1.0
69.0	10.0	0.12	1.0
48.0	10.0	0.12	1.0
61.0	10.0	0.12	1.0
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32.0	11.0	0.12	1.0
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51.0	13.0	0.12	1.0
54.0	13.0	0.12	1.0
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29.0	15.0	0.12	1.0
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20.0	16.0	0.12	1.0
60.0	16.0	0.12	1.0
28.0	16.0	0.12	1.0
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29.0	19.0	0.12	1.0
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42.0	19.0	0.12	1.0
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34.0	20.0	0.12	1.0
99.0	20.0	0.12	1.0
43.0	20.0	0.12	1.0
35.0	20.0	0.12	1.0
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41.0	22.0	0.12	1.0
92.0	22.0	0.12	1.0
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51.0	30.0	0.12	1.0
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55.0	31.0	0.12	1.0
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21.0	33.0	0.12	1.0
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50.0	33.0	0.12	1.0
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22.0	34.0	0.12	1.0
47.0	35.0	0.12	1.0
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99.0	95.0	0.12	1.0
62.0	95.0	0.12	1.0
44.0	96.0	0.12	1.0
52.0	96.0	0.12	1.0
72.0	96.0	0.12	1.0
56.0	96.0	0.12	1.0
58.0	96.0	0.12	1.0
85.0	97.0	0.12	1.0
16.0	97.0	0.12	1.0
19.0	97.0	0.12	1.0
53.0	97.0	0.12	1.0
21.0	97.0	0.12	1.0
28.0	98.0	0.12	1.0
87.0	98.0	0.12	1.0
16.0	98.0	0.12	1.0
53.0	98.0	0.12	1.0
38.0	98.0	0.12	1.0
61.0	99.0	0.12	1.0
72.0	99.0	0.12	1.0
94.0	99.0	0.12	1.0
26.0	99.0	0.12	1.0
10.0	99.0	0.12	1.0