XRWR
      ----------
NYYHT ) MYHTWRHM
       -RYYMX
        =====
        XYNNPR
       -TMYXHR
        ======
         XNTTYH
        -XTYXMW
         ======
          XYMTWM
         -TMYXHR
          ======
           XWCNX

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