????????
      ----------
FMFNQ ) YMPQYXUQ
       -YGXTQQ
        ======
         GYNYXU
        -GRNQQQ
         ======
          PQYXUQ
         - FMFNQ
          ======
          ??????

base: 12
symbols: FGMNPQRTUWXY
missing: W
difficulty: hard
hints: X << U