# A231873 (b-file synthesized from sequence entry) 1 1 2 11 3 12 4 111 5 112 6 121 7 122 8 1111 9 1112 10 1121 11 1122 12 1211 13 1212 14 1221 15 1222 16 11111 17 11112 18 11121 19 11122 20 11211 21 11212 22 11221 23 11222 24 12111 25 12112 26 12121 27 12122 28 12211 29 12212 30 12221 31 12222