40 41 42 43 44 45 46

40 41 42 43 44 45 46 47

41 42 43 44 45 46 47_1/2

41 45 47

44 45 47

41 44 45 47_1/2 48_1/2

45

38_1/2 40 40_1/2 44 46 47

43 44_1/2 45