WMLX
    ---------
HJQ ) HFLWFFL
     -JHLH
      ====
       MEFF
      -QYFY
       ====
        MWXF
       -MLHH
        ====
         LYML
        -LMYE
         ====
          QJL

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