INPUT
12
3
1, 2, 3
4
2, 2, 5, 2, 4, 10, 4
1, 8, 12, 3
3, 1, 4, 3, 1, 7, 3, 5, 10, 2
3, 2, 5, 2, 5, 11, 3, 8, 12, 1

OUTPUT
6, 11, 1
4, 5
7, 8, 9, 10
8, 9, 10
1, 2, 3
4, 5, 7
9, 10
4, 5
7, 8, 9
10
11