????????
      ----------
QTWTT ) GRNTXYTX
       -TWPQW
        =====
        UNFFFY
       -UXHUUR
        ======
         QFQWRT
        -QQTFRP
         ======
           TYHWX
          -TWPQW
           =====
           ?????

base: 12
symbols: FGHNPQRTUWXY
difficulty: medium