| ex. 20 |

1 | ex. 1 | 

2 | ex. 2 | 

3 | ex. 3 | 

4 | ex. 4 | 

5 | ex. 5 | 

6 | ex. 6 | 

7 | ex. 7 | 

8 | ex. 8 | 

9 | ex. 9 | 

10 | ex. 10 | 

11 | ex. 11 | 

12 | ex. 12 | 

13 | ex. 13 | 

14 | ex. 14 | 

15 | ex. 15 | 

16 | ex. 16 | 

17 | ex. 17 | 

18 | ex. 18 | 

19 | ex. 19 | 

20 | ex. 20 | 

21 | ex. 21 | 

22 | ex. 22 | 

23 | ex. 23 | 

24 | ex. 24 | 

25 | ex. 25 | 

26 | ex. 26 | 

27 | ex. 27| 

28 | ex. 28 | 

29 | ex. 29 | 

30 | ex. 30 | 

31 | ex. 31 | 

32 | ex 32 | 

33 | ex. 33 | 

34 | ex 34 | 

35 | ex. 35 | 

36 | ex. 36 | 

37 | ex. 37 | 

38 | ex. 38 | 

39 | ex. 39 | 

40 | ex. 40 | 

41 | ex. 41 | 

42 | ex. 42 | 

43 | ex. 43 | 

44 | ex. 44 | 

45 | ex. 45 | 

46 | ex. 46 | 

47 | ex. 47 | 

48 | ex. 48 | 

49 | ex. 49 | 

50 | ex. 50 | 

51 | ex. 51 | 

52 | ex. 52 | 

53 | ex. 53 | 

54 | ex. 54 | 

55 | ex. 55 | 

56 | ex. 56 | 

57 | ex. 57 | 

58 | ex. 58 | 

59 | ex. 59 | 

60 | ex. 60 | 

61 | ex. 61 | 

62 | ex. 62 | 

63 | ex. 63 | 

64 | ex. 64 | 

65 | ex. 65 | 

66 | ex. 66 END | 