I

I

II

II-

IV

III

IV-III

1

6

1-6

3

2

3-2

5

4

5-4

7

6

7-6

9

8

9-8

11

10

11-10

13

12

13-12

15

14

15-14

17

16

17-16

19

18

19-18

21

20

21-20

23

22

23-22

25

24

25-24

27

26

27-26

29

28

29-28

31

30

31-30

33

32

33-32

35

34

35-34

37

36

37-36

39

38

39-38

41

40

41-40

43

42

43-42

45

44

45-44

47

46

47-46

49

48

49-48

51

50

51-50

53

52

53-52

54

-54