# A203996 (b-file synthesized from sequence entry) 1 2 2 3 3 3 4 4 5 6 6 4 7 5 8 8 9 8 10 5 11 6 12 10 13 12 14 10 15 6 16 7 17 12 18 15 19 15 20 12 21 7 22 8 23 14 24 18 25 20 26 18 27 14 28 8 29 9 30 16 31 21 32 24 33 24 34 21 35 16 36 9 37 10 38 18 39 24 40 28 41 30 42 28 43 24 44 18 45 10 46 11 47 20 48 27 49 32 50 35 51 35 52 32 53 27 54 20 55 11 56 12 57 22 58 30 59 36 60 40 61 42 62 40 63 36 64 30 65 22 66 12 67 13 68 24 69 33 70 40 71 45 72 48