input:

6100
19 52
51 98
2 83
40 58
96 99
39 55
72 94
15 17
4 15
48 99
2 99
77 78
35 77
44 62
79 81
30 31
1 48
48 76
68 99
60 66
6 19
44 53
64 92
17 28
67 98
9 99
40 65
16 27
99 100
15 56
4 6
24 97
84 96
47 49
37 38
77 79
13 40
13 92
71 100
47 93
90 91
72 81
15 48
32 71
19 17
95 99
10 23
18 100
90 93
52 92
...

output:

389
3 12 15 19 13 16 2 18 17 7 11 14 10 9 8 1 6 5 4 
184
1 6 5 3 4 2 
440
11 16 6 14 10 3 15 12 13 7 5 9 4 2 8 1 
734
7 19 12 8 16 18 14 17 15 10 6 5 3 13 4 9 2 11 1 
260
13 15 11 10 14 12 9 8 4 7 3 6 5 2 1 
419
2 6 18 20 19 16 17 15 10 3 14 13 7 11 9 12 5 8 4 1 
83
3 4 2 1 
203
10 8 4 7 9 5 1 6 3 2...

result:

wrong answer Participant declares the cost to be 389, but the plan actually costs 691 (test case 1)