# A074227 (b-file synthesized from sequence entry) 1 1 2 3 3 4 4 5 5 7 6 8 7 9 8 11 9 12 10 13 11 15 12 16 13 17 14 19 15 20 16 21 17 23 18 24 19 25 20 27 21 28 22 29 23 31 24 32 25 33