????????
      ----------
UAREW ) QFGYUUMM
       -GFUUG
        =====
        MEAEAU
       -MEMFYF
        ======
          YRMFM
         -UAREW
          =====
           QGAUM
          -GFUUG
           =====
           ?????

base: 10
symbols: AEFGMQRUWY
difficulty: hard