????????
      ----------
NCHEY ) YHWCWHYY
       -YCJJHE
        ======
         ENJJYY
        -EMENJH
         ======
          YHNEMY
         -YHNMMH
          ======
          ??????

base: 10
symbols: CEHJMNQWXY
missing: Q X
hints: X << E
difficulty: medium