73 72 71 70 69 68 62 63 64 65 66 67 61 60 59 58 57 56 55 54 5352 51 50 49 48 47 41 42 43 44 45 46 40 39 38 37 36 35 34 32 31 30 29 28 27 2624 23 22 21 20 19 13 14 15 16 17 18 12 11 10 9 8 7 6 5 4 3 1 2PB2-2 PB2-3 PB2-4 PB2-5 PB2-6 PB2-7 PB2-8 PB2-9 PB2-10 PB2-11 PB2-12 PB2-13 PB2-14 PB2-20 PB2-19 PB2-18 PB2-17 PB2-16 PB2-15 PB2-21 PB2-22 PB2-23 PB2-24 PB2-25 PB2-26 PB2-32 PB2-31 PB2-30 PB2-29 PB2-28 PB2-27 PB2-33 PB2-34 PB2-35 PB2-36 PB2-37 PB2-38 PB2-44 PB2-43 PB2-42 PB2-41 PB2-40 PB2-39 PB2-45 PB2-46 PB2-47 PB2-48 PB2-49 PB2-55 PB2-54 PB2-53 PB2-52 PB2-51 PB2-50 PB2-56 PB2-57 PB2-58 PB2-59 PB2-60