????????
      ----------
MUGNT ) TQMQMFFJ
       -UFNUM
        =====
        MCTPCF
       - QTCCQ
        ======
         MCXQQF
        - QTCCQ
         ======
          MGQFQJ
         -MMQJXP
          ======
          ??????

base: 11
symbols: CFGJMNPQTUX
difficulty: medium