ULU
       ----------
JFRRLR ) RLLULJLR
        -MRRRGL
         ======
         ULLJCAL
        -UGRRRQU
         =======
           LJQFMR
          -MRRRGL
           ======
           QJQFRQ

base: 10
symbols: ACFGJLMQRU
difficulty: intermediate
restrictions: no multiplication