???????
     +--------
XJQW | UCXRJQC
      -XJQW
       ====
       PNJFJ
      -PXQUN
       =====
        RUJQQ
       -RJPXJ
        =====
         PXCFC
        -PYRNQ
         =====
         ?????

base: 11
letters: CFJNPQRUWXY
difficulty: hard