This program uses the way of Enumeration Delete to solve  --   the Musicmind guessing game. A list with 1330 possible --   targets would be built at the beginning. The the functions --   would delete all the impossible targets saving in the --   GameState according to feedback of correct pitch, notes, --   and octaves, and leaves the possible targets. When all --   the impossible targets have been deleted, the result --   should be the target.