XPAQ
      ----------
WMFNN ) TWTMXQPN
       -QTENA
        =====
         MPAPQ
        -PXWNT
         =====
          XPPNP
         -EPMNX
          =====
           NTNXN
          -NWXNM
           =====
            QPQX

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