12 14

8 10 14

8-10

6-8 8-10

4-6 6-8

6 8

4-6 6-8

8

10

10

6

8

6-8 8-10

8

10

6 8 10 12

6

8-10

6 8

6

6 8

6-8

6 8 12

6-8