???????
      ---------
JCTYY ) QJCEJYP
       -JCTYY
        =====
        UEUEXY
       -UJYUYT
        ======
         JJXQQP
        -JWXWYX
         ======
         ??????

base: 11
symbols: CEJNPQTUWXY
difficulty: medium
hints: N << P
missing: N