[error] DEADLOCK/NODUP: no remaining values
            5934
      +---------
19762 | 26447101
       -21493
        =====
         2A651
        -93085
         =====
         113680
        -1A0191
         ======
          172261
         -114936
          ======
            6106

base: 11
letters: 0123456789A
difficulty: medium