# A109874 (b-file synthesized from sequence entry) 2 1 3 2 4 2 5 4 6 4 7 6 8 5 9 7 10 8 11 10 12 9 13 12 14 11 15 12 16 12 17 16 18 14 19 18 20 16 21 18 22 20 23 22 24 19 25 22 26 24 27 22 28 23 29 28 30 26 31 30 32 25 33 30 34 32 35 30 36 36 37 36 38 36 39 36 40 40 41 40 42 36 43 42 44 40 45 39 46 44 47 46 48 40 49 45 50 44 51 46 52 48 53 52 54 45 55 50 56 49 57 54 58 56 59 58 60 54