# A178060 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 12 4 2 5 5 6 6 7 10 8 5 9 8 10 9 11 13 12 3 13 6 14 8 15 11 16 2 17 5 18 6 19 10 20 1