frontier_cs/problems/154/testdata/11.in

11
14 26 3
15 27 5
25 8 4
15 6 4
28 16 4
27 4 1
12 15 3
14 16 3
30 29 4
18 14 5
21 22 4
5
18 30
16 13
10 11
25 7
27 3
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