# A243824 (b-file synthesized from sequence entry) 2 2 3 1 4 4 5 1 6 6 7 3 8 8 9 1 10 10 11 5 12 11 13 5 14 12 15 3 16 14 17 7 18 16 19 1 20 18 21 9 22 22 23 5