?????JC?
      +---------
JTMUL | MTJNLLNN
       -MLCJLL
        ======
         TEJLLN
        -EPGFTL
         ======
          TJJUNN
         -TUEPLL
          ======
          ??????

base: 12
letters: CEFGJLMNPTUX
difficulty: hard
missing: X