5. B 1, A 2, F 1.

6. A 18.

7. T 18, R 19, R 16, S 16, S 15, S 14, P 17.

8. S 2, R 2, T 3.

9. B 2, A 2, B 1, C 1, C 3, A 1, B 2, B 1, B 5.

10. A 16, A 17, B 18.

11. S 2, S 3, R 2, T 2, S 1.

12. T 12, T 11, S 10.

V. Connecting Groups

1. O 15, N 16, M 15, O 14, O 17 or O 15, P 15, P 18, Q 18, P 16, O 17, O 18, Q 17, O 14.