# A072001 (b-file synthesized from sequence entry) 1 1 2 11 3 101 4 111 5 201 6 211 7 1001 8 1011 9 1101 10 1111 11 1201 12 1211 13 2001 14 2011 15 2101 16 2111 17 2201 18 2211 19 3001 20 3011 21 3101 22 3111 23 3201 24 3211 25 10001 26 10011 27 10101 28 10111 29 10201 30 10211 31 11001 32 11011 33 11101 34 11111 35 11201 36 11211 37 12001 38 12011 39 12101 40 12111