????????
      ----------
PFMMM ) MYTEECTP
       -PFMMM
        =====
        TMEMMC
       -TPPTFC
        ======
         TYPMFT
        -TPPTFC
         ======
          PFTCPP
         -TEPCCW
          ======
          ??????

base: 8
symbols: CEFMPTWY
difficulty: intermediate