????????
      +---------
QEEYJ | YNGQYTCQ
       -TCNJC
        =====
        QQLQNT
       - JGLJE
        ======
         QELGEC
        -QQLFYQ
         ======
          QLRNMQ
         - JGLJE
          ======
          ??????

base: 12
letters: CEFGJLMNQRTY
difficulty: intermediate