2DF2
      +---------
85A87 | FD61A151
       -942C8
        =====
         CB671
        -85A87
         =====
         4FD935
        -493785
         ======
           9AFE1
          -942C8
           =====
            363D

base: 16
letters: 0123456789ABCDEF
difficulty: hard
missing: 0