????????
      +---------
UCTQC | HYHLLYQH
       -UCTQC
        =====
        LURRMY
       -LMHTHH
        ======
         MCUQRQ
        -MUULRU
         ======
          QTLCHH
         -MUULRU
          ======
          ??????

base: 9
letters: CHLMQRTUY
difficulty: easy