0386
      +---------
00036 | A35246A7
       -33381
        =====
         27516
        -77864
         =====
         52065A
        -577277
         ======
          536177
         -533A2A
          ======
            0781

base: 11
letters: 0123456789A
difficulty: intermediate
restrictions: no multiplication
missing: 9