frontier_cs/problems/154/testdata/16.in

14
15 13 3
15 26 3
25 6 4
19 18 1
13 15 4
12 2 2
26 29 4
5 4 3
23 8 4
3 21 5
20 29 5
23 17 1
29 24 4
18 18 2
6
15 14
28 24
25 21
14 20
8 3
20 14
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