# A220702 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 6 6 19 7 23 8 63 9 76 10 508 11 561 12 839 13 894 14 1389 15 2513 16 3436 17 6121 18 7412 19 8418 20 9184