# A104159 (b-file synthesized from sequence entry) 0 4 1 20 2 1 3 16 4 6 5 17 6 8 7 12 8 9 9 14 10 5 11 19 12 2 13 15 14 3 15 18 16 7 17 11 18 10 19 13 20 4 21 20 22 1 23 16 24 6 25 17 26 8 27 12 28 9 29 14 30 5 31 19 32 2 33 15 34 3 35 18 36 7 37 11 38 10 39 13 40 4 41 20 42 1 43 16 44 6 45 17 46 8 47 12 48 9 49 14 50 5 51 19 52 2 53 15 54 3 55 18 56 7 57 11 58 10 59 13 60 4 61 20 62 1 63 16 64 6 65 17