19 32
CDCDCCD ADBCCDCBACCCDAC DCDDADACBADB DBBD ABBCCBDAADDB BC B BDCAAAABDABBB DABAABCBC BCBC AABCDBADDCBCC DBAAB A ADAABDDA DDAADDBDBBCDACBCCDA ADDABC AD CDCCBBDADDDDACABCBD AABCBAADDB BBBDDBABACABDD ABDADDBCCCDDC DDDAACADAABADABCBA CACBBDDCB DBABBBDABCBBDDCC DBCBDD AD DACDDAAAA CDAAADBCBABBD DCAACCAABBBCAADDDBD CBBDB DDACABABB BDADCCCCCCBAADB 
BDABACD ACADABCBBDAACAB BCBCAACBCBDA BBAB BABADABBDACA DC A ACADBACDDCACA BCAABBAAB CDBC CCBDACDCDDDBB CDBDC B BCACCCCB ACAADBACDDDBAACCBCC CBCCCD CA AAABABCBACCACDAADAA DCDBBDBDBC DBAABACABACCAB BAACBBBADADAD ADBACBCCCDBAACCBCA DDADDADBB BCBDBCDDABCCBABD ADACAA DB DBBCCBCAD ABDDCDCBDDCDB ADBBAACBAACDACBCABD BADAB DBCCDDDDD BDBBCCCBABBBDAD