LLGJ
      +---------
PMPWX | MMGPMTTJ
       -PMPWX
        =====
         MJXTT
        -PMPWX
         =====
          JTLJTJ
         -LYMTMY
          ======
           PLTTT

base: 9
letters: GJLMPTWXY
difficulty: intermediate
restrictions: no multiplication