# A171818 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 10 11 11 12 12 13 12 14 12 15 12 16 12 17 12 18 12 19 12 20 20 21 21 22 22 23 22 24 22 25 22 26 22 27 22 28 22 29 22 30 20 31 21 32 22 33 22 34 22 35 22 36 22 37 22 38 22 39 22 40 20 41 21 42 22 43 22 44 22 45 22 46 22 47 22 48 22 49 22 50 20 51 21 52 22 53 22 54 22 55 22 56 22 57 22 58 22 59 22 60 20 61 21 62 22 63 22 64 22 65 22 66 22 67 22 68 22 69 22 70 20 71 21 72 22 73 22 74 22