[error] DEADLOCK/NODUP: no remaining values
            3371
      +---------
87702 | 07471750
       -87702
        =====
         17237
        -87702
         =====
         546505
        -674343
         ======
          866060
         -714646
          ======
           56767

base: 9
letters: 012345678
difficulty: easy
restrictions: no multiplication