# A253591 (b-file synthesized from sequence entry) 2 2 3 3 4 3 5 3 6 3 7 5 8 7 9 7 10 7 11 7 12 7 13 7 14 7 15 7 16 7 17 7 18 7 19 7 20 11 21 13 22 13 23 13 24 13 25 13 26 13 27 13 28 17 29 17 30 17 31 17 32 17 33 17 34 17 35 17 36 17 37 17 38 17 39 17 40 17 41 19 42 19 43 19 44 19 45 19 46 19 47 19 48 19 49 23 50 23 51 23 52 23 53 23 54 23 55 23 56 23 57 23 58 23 59 29 60 31 61 31 62 31 63 31 64 31 65 31 66 31 67 31 68 31 69 31