YGU
      ----------
GXGYE ) YREXFTFG
       -EFFXGF
        ======
         JFULXF
        -LJJFFL
         ======
          GETGUG
         -JLYRGG
          ======
           XJXCT

base: 11
symbols: CEFGJLRTUXY
difficulty: intermediate
restrictions: no multiplication