default -> -   (Coverage 200, error 30.0%, error without exceptions 50.0%)
   unless AGG -> +   (Coverage 164, error 26.8%, error without exceptions 48.8%)
      unless GGAG -> -   (Coverage 48, error 14.6%, error without exceptions 37.5%)
         unless TCAG -> +   (Coverage 13, error 15.4%)
         or CTCC -> +   (Coverage 8, error 25.0%)
      or ACAA -> -   (Coverage 61, error 23.0%, error without exceptions 42.6%)
         unless TGGC -> +   (Coverage 16, error 12.5%)
