[error] DEADLOCK/NODUP: no remaining values
          51305
     +---------
4140 | 43242505
      -4140
       ====
        23225
       -20220
        =====
         54440
        -53533
         =====
          53135
         - 4140
          =====
           3434

base: 6
letters: 012345
difficulty: easy
writeup: writeups/05