problemas-para-competicao-pibiti-arthur-dolival/rede-anel-estelar/input/69

50 50
47 12
39 36
24 37
37 41
34 15
12 5
50 7
7 17
28 4
20 18
45 14
22 2
33 48
8 34
17 32
38 11
50 9
48 18
47 23
45 30
40 42
46 14
16 43
18 44
1 43
24 49
9 21
3 47
31 12
10 44
49 25
38 3
35 46
21 28
41 6
8 25
42 27
22 35
28 16
2 27
6 36
5 1
10 29
13 26
33 26
29 11
40 17
19 5
13 39
14 15