ERN
       ----------
RMFHFP ) GPHEHNNE
        -FHQELP
         ======
          NHQFNN
         -HERQRP
          ======
          MMFGENE
         -MPLREPP
          =======
            LNPNE

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