????????
      +---------
QXXPX | RLRHHPPX
       -QXXPX
        =====
         XLXXP
        -PRQJT
         =====
         QRLCPP
        -QQLHCT
         ======
          QTHCPX
         - JXXQH
          ======
          ??????

base: 9
letters: CHJLPQRTX
difficulty: intermediate