10 41
DDAADD ADDDCDDB DCBDBA DDAD DDDCDAC DBDDBD DCDCD DDDDDDD DDDDA DADDD BDBDDAA DDADDDD DAACD DDDDCDD DDDABAB DDBAC DDADACD DAD ADDDA DDDBDDB DCDDDBDD CDDD DDBDCDBD CDBDAAD DDDDCDD DDACDDC DDDDDC AAADDD DDADDA DDADDD DDDADDAD DADADBD DDDDDBD BDDCCBD ADDDDDA DBDDDDCD DDAADDA CDDDDDBD DDDADBD CCDCC DDDDDDDCDD 
DDDDAD DCDDDDDD DADDCA DBDD ADCDADD DDDDDD DCDDD ABDDBBB DBCBD DCDBD DDDAAAA ACBADDD ADDAD AADDBCD DDADDDB CDADD DAADDDD DDD DDABC DDDDAAD ABDDDDDD ADDD DDDDDDBD DDDDBCC DABADCD ADADACA DAADDD DCCDAD DDDCCC DDBDAD DDDDDCDD ADDDDDD ABBBDAA DDDDDDD DBDCCDC DADDADDD DCDDCAD ADDDADBD CCDDDDD CDDBD BDADCBBBDA