1
3
4
4_(2)
4_(3)
4_(4)
5
6
6_(2)
7
7_(5)
7_(6)
8
9
10
10_(2)
10_(3)
10_(4)
10_(5)
10_(6)
11
11_(2)3
14
143
16
16_(2)
17
2
20
25
26
27