# A157900 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 12 5 13 6 22 7 23 8 300 9 101 10 102 11 103 12 112 13 113 14 122 15 123 16 223 17 323 18 1112 19 1113 20 1122 21 1123 22 1223 23 1323 24 2323 25 3323 26 12323 27 13323 28 22323 29 23323 30 101223 31 101323 32 102323 33 103323 34 112323 35 113323 36 122323 37 123323 38 223323 39 323323 40 1113323 41 1122323 42 1123323 43 1223323 44 1323323