input:

10000
15 14
13 12
5 4
9 8
11 12
15 14
10 9
14 13
2 3
2 1
6 5
10 11
3 4
7 6
8 7
6 5
2 1
2 4
4 6
2 3
3 5
10 9
8 3
9 4
5 6
5 10
3 2
5 4
2 7
1 2
4 3
2 1
2 1
2 1
2 1
9 8
9 8
5 4
1 2
6 5
3 4
3 2
7 8
7 6
2 1
1 2
14 13
3 10
5 6
2 9
11 4
2 3
2 1
8 7
13 6
5 4
5 12
6 7
4 3
7 14
16 15
2 3
2 1
6 10
6 9
6 4
9 11
...

output:

3
11 6 1
1
1
2
2 1
1
2
1
2
3
6 2 1
1
2
2
4 4
3
10 3 2
1
3
4
15 9 3 2
2
3 2
2
2 1
2
5 5
1
3
3
11 6 1
1
1
1
2
2
2 1
1
3
2
2 1
2
3 3
2
4 4
2
5 1
1
3
3
11 6 1
1
1
2
5 1
1
1
1
3
4
16 10 4 3
2
2 1
2
4 4
3
7 4 4
1
3
2
3 2
2
2 1
2
3 3
3
7 6 1
1
3
3
8 3 2
1
1
2
3 3
2
2 1
1
3
2
6 1
2
3 4
2
3 3
2
5 1
1
3
3
13 ...

result:

wrong answer Condition failed: "subset.size() == sz" (test case 8)