UFU
       ----------
AMRRFR ) RFFUFAFR
        -QRRRLF
         ======
         UFFAJCF
        -ULRRRGU
         =======
           FAGMQR
          -QRRRLF
           ======
           GAGMRG

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