MHQ
      +---------
QMNHR | GQNNCTRN
       -GNUUQM
        ======
         MLQTGR
        -MTCHGH
         ======
          HQECGN
         -HQRRLQ
          ======
            NLHU

base: 11
letters: CEGHLMNQRTU
difficulty: medium