AAAA ABAA
ABAB AQDA
ATQP  BAA
AARA  RLA
AQAW  FBA
CBA   BRA
AC    ABS
BFV  WBAA
AC  ABACA
ABV APABA
AR   ABAA
DAV  COAA
ANR  GSGA
ASB  CBAA
ABBAYABAA