EWTU
      ----------
 UTUU ) EWHYQFWQ
       -FUAUW
        =====
         WTYEF
        -AUFUE
         =====
          TTEUW
         -WUYUF
          =====
           UFQHQ
          -TUQUY
           =====
            FUHU

base: 10
symbols: AEFHNQTUWY
difficulty: intermediate
missing: N