FYFW
      ----------
GYFMP ) MYWFTMUP
       -FPYTU
        =====
         UXWGM
        -WUJWF
         =====
          MWUGU
         -FPYTU
          =====
           TGYXP
          -TGGJX
           =====
             FGP

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