# A213372 (b-file synthesized from sequence entry) 1 2 2 4 3 2 4 6 5 2 6 4 7 8 8 4 9 6 10 2 11 10 12 8 13 6 14 12 15 4 16 2 17 8 18 10 19 14 20 4 21 6 22 2