302
      +--------
E04C4 | EABDCB0
       -E04C4
        =====
         8648B
        -24A21
         =====
         37C320
        -3095E1
         ======
          09706

base: 16
letters: 0123456789ABCDEF
difficulty: hard
hints: C << 9, 4 << A, 7 << 6
missing: F