5276
      +---------
0DA07 | 7D2BD189
       -92E91
        =====
        0E8691
       -0A5D16
        ======
         069248
        -038328
         ======
          0C76F9
         -054E4C
          ======
           0C42E

base: 16
letters: 0123456789ABCDEF
difficulty: challenging