19 33
BAAAAAACAAAADCDAB BCACAACAADCCACAADDA DAACAADDABADCAAAA AABAAADACAAADACAAAD DDAAAAAAADAAAAAA DACAAAAAAAADAACAAAD AADCCADADAACAAAAA BAADCAACAAACAABADAA DCCAAADABADAACABAAA DADBADBCAAABADCDDA AABAACDAAAAAACABAAA AAABADACABAAAAACAAB AAADAAAACDADAACDACC CAADBCDADAABADBA AAAAABACDDDAAAAAAA CDDDAAAAADADACDAAA AADDADAAADADABAAAAC ADADAAADDAAAAADAAAA DDADBABAAAACCDCA AAAADBAADDCAABBDCAC DAAACDBABABAAAAAAD CCDAACAAADABAACAADA AAACAAADADAAABAAADA BAAAAADACAABADAAADC ADBADAAAAAAADAABCCA AAAAAAAACADAADAAA DADAAAADDDAAACAAA CBBCDDDCAABABCBAAAA AAADBCAACAACAAACA ACDAADACAAAABACBADD DDCAAAAADCDCADCAD AAAAAACDDABDDAAADC AABAAACACAAADACDDAD 
AAAACCAAAAAAAAADA AAAABBDDDACDAABCCAA ACCADAABCAADAABDA AAAADDDAAAAACDAAAAA AAAAABAAADCAAACC ABBCAADADADADACAAAA ADAAABABAAABADAAC ADAAADAAADABAAAAAAA AAAAAAACCAAACAACACA CDDACAAADADABBAADB AABACBADCDAADAACCDA BABBDAAAAAADAABAACC CCAAADAADAADAAAAADA CCDAAACBDAACBAAA AAAADAAACABCABACAA ADADAACABDACCADBAA ADACCDAAAACAACBCAAA AAAAAADAADAACDCAADA AADDAAAAAAAAAABA AAAAABBACCAACCAAADA ACDAAAAAACAAAABAAA AADAABADAAAAAACACAC ADDABADBDCADCBDAAAA AADAADAAADAAAAAAADA CDAAAAADAAACBABAAAA ADAACABAADDABDACB BDABAAACACAAABAAA ACCACAAAAAAAACAABAC AADCADDAAAAAACAAA CAAACAAAAABAAAAAAAC ACCABAAABAADAAAAC AACAADCACDCADACAAB CCAAAAABAAADAAAAACA