95EA
      +---------
9C3CF | D33E3F15
       -53739
        =====
        86BAFF
       - 023BC
        ======
         8A2511
        -81FD7E
         ======
          9EA595
         -9E0837
          ======
            8BD0

base: 16
letters: 0123456789ABCDEF
difficulty: medium
missing: 4