[error] DEADLOCK/NODUP: no remaining values
            1139
      +---------
A1131 | A6B07561
       -A1131
        =====
         08B95
        -A1131
         =====
         178126
        -133373
         ======
          335BA1
         -1699B9
          ======
           80942

base: 12
letters: 0123456789AB
difficulty: intermediate
restrictions: no multiplication