????????
      +---------
NTYQJ | TLPXJFJY
       -YXLPT
        =====
         UNUPF
        -UQTLX
         =====
           FNNJY
          -XCXCY
           =====
           ?????

base: 11
letters: CFJLNPQTUXY
difficulty: hard
hints: J-J=Q