frontier_cs/problems/154/testdata/20.in

16
26 25 1
22 15 4
29 30 3
10 11 4
11 21 4
4 2 1
19 11 4
5 26 2
9 26 1
27 23 1
10 6 5
9 19 1
1 14 2
9 22 4
29 15 3
21 28 4
8
23 22
11 24
25 17
19 3
6 16
21 6
13 28
22 20
124011434723412979