41B
      +--------
D59A6 | 6E0DB61
       -C6914
        =====
        470036
       -45CBFD
        ======
         DE87C1
        -4BFAAB
         ======
          D560A

base: 16
letters: 0123456789ABCDEF
difficulty: challenging
attributes: delightful, long
missing: 2