6EAE
      +---------
5C52C | 9040DB01
       -5C52C
        =====
        CA5E0B
       -C373B2
        ======
         CD6DA0
        -C13067
         ======
          CECE31
         -C373B2
          ======
           606E4

base: 15
letters: 0123456789ABCDE
difficulty: medium
missing: 8