YQP
       -----------
QXTJYT ) WGPWQYWYY
        -PXHWXFH
         =======
          YGJFQWY
         -YHTTQXH
          =======
           GYPJQYY
          -GWTGFJH
           =======
             XXXTY

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