# A143956 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 5 5 4 6 2 7 7 8 6 9 4 10 2 11 9 12 8 13 6 14 4 15 2 16 11 17 10 18 8 19 6 20 4 21 2 22 13 23 12 24 10 25 8 26 6 27 4 28 2 29 15 30 14 31 12 32 10 33 8 34 6 35 4 36 2 37 17 38 16 39 14 40 12 41 10 42 8 43 6 44 4 45 2 46 19 47 18 48 16 49 14 50 12 51 10 52 8 53 6 54 4 55 2 56 21 57 20 58 18 59 16 60 14 61 12 62 10 63 8 64 6 65 4 66 2