# A107927 (b-file synthesized from sequence entry) 0 9 1 8 2 7 3 6 4 5 5 14 6 13 7 12 8 10 9 10 10 18 11 18 12 17 13 16 14 15 15 18 16 18 17 18 18 19 19 20 20 27 21 27 22 27 23 26 24 25 25 27 26 27 27 28 28 31 29 30 30 36 31 36 32 36 33 36 34 35 35 36 36 37 37 42 38 41 39 40 40 45 41 45 42 45 43 45 44 45 45 46 46 50 47 50 48 50 49 50 50 54 51 54 52 54 53 54 54 55 55 64 56 63 57 62 58 61 59 60 60 63 61 63 62 63 63 64 64 65 65 73 66 73 67 72 68 71 69 70 70 72