????????
      +---------
TJJUM | MWRHTWGC
       -TJJUM
        =====
        GHTLHW
       -GUPPRC
        ======
         WGQRWG
        -LMWPLP
         ======
          JTUCQC
         -JPTMPM
          ======
          ??????

base: 12
letters: CGHJLMPQRTUW
difficulty: hard