55844
     +---------
0419 | 24953852
      -0419
       ====
        1553
       -0419
        ====
        50838
       -56029
        =====
         86085
        -88509
         =====
          83352
         -88509
          =====
           4462

base: 10
letters: 0123456789
difficulty: medium
restrictions: no multiplication
missing: 7