14 22
ABDADDCDABBC ABDBADBABDADCB CCDADDABD DDABAAD DACAD CDBBBBDDCCCCC CCCDBC DCB DAB CAACCCCADDACAD AADBADCDA DCCCDCCCABDCDB CBCDDABADAD ADCDCAA CCCAADCCC BDB DCBDC ADABCDABDACAA C D CDABACAAD ADBADBA 
ACBCBDABCDCC ACACDCCCCBADBA BABABCBAC DDABADC ADDBB ABAACDCBBCDCA DDBBCB CAB CCC CDADCDCBBCDCCC BDBBDDDBC DBADCDACDDAADC ABDCDCBBDAB CBCBDDA BCAAAABBB CAB CCDDB DCBCADACDDACD C D CBCCBABDB BDBCAAC