# A008939 (b-file synthesized from sequence entry) 1 1 2 12 3 13 4 13 5 13 6 13 7 39 8 39 9 52 10 52 11 52 12 52 13 64 14 65 15 65 16 65 17 65 18 65 19 75 20 75 21 75 22 75