5F33
      +---------
0C23A | F34648E4
       -28C78
        =====
        579B08
       -5217D8
        ======
         91871E
        - 4E697
         ======
          95F494
         - 4E697
          ======
           09512

base: 16
letters: 0123456789ABCDEF
difficulty: medium