2
3
6.4
7
7
7.7
7.77
7.9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8.8
9
9
9
9
9
9
9
9