18 49
CDACADCADBAAD CCBDACDADDD ADDDDCDDDCAADCD BCDBCD DBABDCCBCCDC DDCABDDBBAADADBBDC ACBBBBD BAADC C AADACBADD AAAACADDDCCBCDD ADABBAACDBDCDB AACCACCDABBBADAD CDBCA ABCCCADBDCACA CBB BDDABBCABBBBAACAAB CBD AADAAACDACDADACBA C CAACDBDADBCDADB AADBDAD ACBABCDBBD BCBACBBCB A BCCCABD CCCDBDBBD DDA BBA ACBBBBAAACCABCDCD BDBBDADDACCD DDCBCABAACBAAAABA ACAA A ABBADCCDCBDDD DDCDBBBDBBCDDD DAAABCCB BADDABDD BBACCDCAC ADABDDADBDDBAACCD ABCADCACCAADADBCAC BBAD DABCBBBCA AB BABC CBAB DCBCABABBBAAACAB CABBDCDADDBCACCACD ABABBCAD 
BBAABBABADCDC CBCBDBACDAB BABAABDACCADAAA ABADCB CACACBBBCDBC ADDBDCDDABDBBDCCCD ADDBCDD BDCCD D CBADBABCC DDBCDCBBBABABAB CCDACBBDDCBCDA ADBDBCDBDDCBCBDD BBDBD AABBBADBBBBBC AAA BBBBABDBCABAAAADAA CDB DCABBACDABCBDCBCC D ABBBDDBBAACACAD CCAAABA AABCDADDAA ADBADBDDC B AABABBA CCBADCDAA AAA BCD CABBDBBAAAACBDDBC DCCAADCBCCDC CCDAACABCBBABDBCD ACBB A AAADDCBBADCAC ACDCACCCBDCDDD CAADBABB DCAADDBD BCADDBAAD CDDACAABABDCCBBAD DDCCBCDCCBABABABAC CBCA BACCDBDDA DA DBCD CAAB CBBBBCBBAACBCCAD CADDDDACCBCCCADBDC DCDABCBD