The bottom hole is occupied, you'll only be allowed to use the top one. But I'm 18yo and not on BC so you'll have a tough decision to make when you get close to finishing

49 12

60 43

48 42

60 44

41 46

68 43

54 41

66 42

63 44

28 11

47 45

40 12

68 46

41 12

43 16

42 42