6 10 12

6

6 8 10

6 10

6 10

4 6 8 12

8

10

6

8

8-10

6

6-8

6-8 8-10

6-8 8-10

6-8 8-10

8-10

6-8

6-8 8-10

8-10

6-8 8-10

6 10

6-8

8