4
1
1
10
2, 1, 3, 1, 3, 3, 1
1, 1, 3, 3
1, 1, 3, 3
1, 1, 3, 3
1, 1, 3, 3
1, 1, 3, 3
1, 1, 3, 3
1, 1, 3, 3
1, 1, 3, 3
1, 1, 3, 3





solution:
4
1
3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
10