??????
     +-------
RPWU | WPRCMW
      -XNQQ
       ====
       RCCWM
      -RRWRW
       =====
         QXXW
        -PQCJ
         ====
         ????

base: 11
letters: CFJMNPQRUWX
difficulty: medium
attributes: good
missing: F