6 8

6-8 8-10

6-8 8-10

6 8

4 6 8 10 12 14

6-8 8-10

6

6

6 8 10

6 10

6-8 8-10

6 8 10

8

6-8

6-8 8-10

6-8

8-10

6-8

6-8

8-10

6

6-8

6

6-8