MWHX
    ---------
JCE ) JFHMFFH
     -CJHJ
      ====
       WQFF
      -EYFY
       ====
        WMXF
       -WHJJ
        ====
         HYWH
        -HWYQ
         ====
          ECH

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