# A070523 (b-file synthesized from sequence entry) 1 3 2 6 3 7 4 14 5 19 6 31 7 34 8 66 9 93 10 307 11 402 12 421 13 600 14 848 15 1022 16 1057 17 1906 18 3772 19 4184 20 4364