6

8-10

4 8 12

4 6 8 12

6 12

10

6-8

6-8 8-10

6

6 10

6-8

8-10

4-6 6-8

10

10-12

6

6-8

6 10

6-8

6 8 10

6 8

8-10

6 8 10 12

6-8 8-10