[error] DEADLOCK/NODUP: no remaining values
            7870
      +---------
45950 | 00046241
       -45950
        =====
        964A82
       -942715
        ======
         7730A4
        - 45950
         ======
          282161
         -283047
          ======
            9078

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