# A231874 (b-file synthesized from sequence entry) 1 1 2 11 3 12 4 13 5 111 6 112 7 113 8 121 9 122 10 123 11 131 12 132 13 133 14 1111 15 1112 16 1113 17 1121 18 1122 19 1123 20 1131 21 1132 22 1133 23 1211 24 1212 25 1213 26 1221 27 1222 28 1223 29 1231 30 1232 31 1233 32 1311 33 1312 34 1313 35 1321 36 1322 37 1323 38 1331 39 1332 40 1333