17 43
CDCABCC CAACBBAAADADA CA CBCAABBBBA DACBCCCDCB DCBDBBABCBCBBADB CCACB CDCBDBCCACDDBAABC BDACAAACAD DAAADABB ABCBABCDCDD BACD ABCDCBCCDADBDDADA CBDACBDABCC DAABBBBDADBABABC CDACDBDCCBBABB DDCCAAAACAABCCB CAABABAA DDDCDCBACACADB CB BCCCB CDCB BABBDDBCADD BBCAAADC DDCDADBDCDCBB BAAADAACCD BDCC BDCACCDBABCBBD CCADCBACBB BDCBCADAAACACABBA DDCBABAAABDBCAC DCCBCCDBCACBCCBB B DADDACADBACADBDDB ADBDC CBDCBADADADA ABCBAACBADB DDACDCACBCBCBBD DB CADDDB ADBABAABADBC DABDB CBAACCBADCBDDC 
DDBCBDD DCAAACBDDACCD AC CDABAABBCC ADBACDBBCD ACCBDCCDBACDCDDC BACCD ACDBAAACBCBBADAAC ADBCBBCACC DDBADBDB DABDDBBDCCC DDCA ABCADBDADBAABABAD CBDBBDBADAA DBABDCCDDAAAABAB BACCDBBAADBADA ACDBBCCCBAACCDB CDCACDDC BBABCDCABBCDDB DA DCCBB DCAA DDBABABADAB AABBCCDD BABDBDDBCBCBD CABDABADBC CCDA DABBCBACCDBBAD CBCADADCAB CCDBDDCCCBAACABDC BBDDABDADADCCCC DCCAAACACDADABCD B DDDDBBDBBDCCACBCB DABCB BACADBADBBAA DCDABDDBAAB ABBBABBDADBCCDB BB CAAACC BCCDCABBCADB CCABD DCDCDDABADDACB