[error] DEADLOCK/NODUP: no remaining values
             517
      +---------
95744 | 28A64956
       -445148
        ======
         574025
        -5A054A
         ======
          677A26
         -6A5231
          ======
           85424

base: 11
letters: 0123456789A
difficulty: easy
restrictions: no multiplication