default -> -   (Coverage 1000, error 18.8%, error without exceptions 50.0%)
   unless AATA -> +   (Coverage 952, error 17.6%, error without exceptions 49.6%)
      unless GGATG -> -   (Coverage 418, error 17.9)%
      or ACGATG -> -   (Coverage 200, error 7.5)%
      or GTCCCA -> -   (Coverage 97, error 9.3)%
      or CAGGGC -> -   (Coverage 81, error 12.3)%
      or CATGGG -> -   (Coverage 112, error 8.0)%
