[error] DEADLOCK/NODUP: no remaining values
            372A
      +---------
05873 | 49A94298
       -05873
        =====
         A09029
        -AA0572
         ======
          AA3A58
         -68397A
          ======
           07959

base: 11
letters: 0123456789A
difficulty: easy
missing: 1