input:

10000
11 12
28 53
17 60
2 35
17 181
80 123
68 141
79 163
71 99
13 64
33 61
15 32
16 61
11 86
33 74
128 143
40 53
7 23
30 31
5 6
86 181
73 91
13 23
71 81
1 2
7 38
117 160
33 83
129 151
88 153
25 58
16 19
19 141
95 124
43 96
71 139
11 59
106 109
93 152
34 43
17 99
1 57
20 159
16 25
5 73
159 170
172 17...

output:

1 12
25 53
1 15
1 7
11 1810
43 123
5 282
5 326
28 99
0 1
28 61
0 1
29 122
1 10750
1 18500
15 143
13 53
9 46
1 31
1 6
9 362
18 91
10 23
10 81
0 1
1 1484375
0 1
17 166
22 151
65 153
1 181250
3 19
46 705
29 124
1 3
68 139
4 295
3 109
1 7421875
9 43
14 495
7 2850
59 795
0 1
23 730
1 531250
7 179
1 6500
...

result:

wrong answer Jury found better answer than participant's 1 < 25 (Testcase 2)