input:

1224
11 17 14
7 3
4 2
8 13
3 15
3 4
5 11
10 2
3 3
8 6
7 11
2 3
10 4
1 3
12 1
2 5
11 9
11 6
11 10
8 15
1 5
9 14
4 11
1 6
10 7
7 6
11 4
8 4
1 11
18 3 2
14 8
2 14
13 13
9 12
14 12
5 6
8 1
10 5
8 6
8 9
6 6
7 5
12 11
6 11
13 5
1 10
7 6
14 5
6 15
2 4
11 1
1 6 4
14 14
13 9
9 3
10 12
7 5
8 13
9 14
1 9 8
4 9...

output:

7
2 3 5 7 9 10 12 13 15 17 1 4 6 11
15
2 1
0
1 2 3 4
0
1 3 4 5 6 8 9 2
11
1 3
8
2 3 1
0
1 2 3 4 6 7 8 9 10 11 12 5
1
2 3 4 5 10 11 12
8
2 4 5
1
1 2 3 4 5 6 7 8
7
2 4
10
1 2 3
1
2 3 4 5 6 7 14 15 16 17 20
0
1
1
2 3
0
2 3 4
7
4 6 8 12 13
2
2 5 6 9 11
4
1 3 4 5 7 8
1
1
1
1 2 3 4 5 7
16
5 2 3 4 1
7
1
0
...

result:

wrong answer Participant's answer has duplicates (test case 207)