default -> -   (Coverage 500, error 17.0%, error without exceptions 50.0%)
   unless TTTTT -> +   (Coverage 400, error 12.5%, error without exceptions 48.0%)
      unless GAAGAT -> -   (Coverage 168, error 14.9)%
      or CCCAAG -> -   (Coverage 68, error 5.9)%
      or CCATGG -> -   (Coverage 62, error 4.8)%
      or GTGGAC -> -   (Coverage 44, error 4.5)%
      or GTGGTC -> -   (Coverage 44, error 4.5)%
   or GTTGTA -> +   (Coverage 91, error 4.4%, error without exceptions 59.3%)
      unless GAAGAT -> -   (Coverage 52, error 5.8)%
      or CTCGTC -> -   (Coverage 11, error 0.0)%
