[error] DEADLOCK/NODUP: no remaining values
            55D9
      +---------
5C8C5 | 56ADE0BD
       -5C8C5
        =====
         87070
        -5C8C5
         =====
         51F1CB
        -55933D
         ======
          5FB00D
         -5B41E9
          ======
            6143

base: 16
letters: 0123456789ABCDEF
difficulty: intermediate
missing: 2