????????
      ----------
YYQRF ) WTTTRLJR
       -TTJYF
        =====
        RFRYRL
       -UWWYWF
        ======
          RWQLJR
         -RTTFQF
          ======
          ??????

base: 11
symbols: FJLPQRTUWXY
missing: X P
difficulty: medium
hints: P << X, X << L