#28985
6
7
#28969
4
5 3
#21279
3 6 2
#27619
2 3 1
7
#27610
2 3 18
#27535
2 4 1
#27470
4 3
#27426
5 3 6 7 4 5 3 3 6 2 2 3 17 2 3 18 2 4 1 4 3 5 3 6 7 4 5 3 3 6 2 2 3 17 2 3 18 2 4 1 4 3 5 3