URR
       ----------
XFHXLX ) RHJLJRXG
        -TGHJGU
         ======
          LJXTGX
         -JLXHLR
          ======
           MHUFTG
          -JLXHLR
           ======
           XGFGRR

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