4.sd 172 B

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  1. 4 3 0 2 5 1 6 8 7
  2. 5 6 8 0 3 0 0 9 1
  3. 7 0 0 6 0 0 0 0 5
  4. 0 5 4 7 2 3 0 6 0
  5. 0 8 0 5 6 0 9 7 3
  6. 6 7 0 0 8 9 5 2 4
  7. 2 1 0 3 0 6 8 0 0
  8. 0 0 5 9 0 0 0 3 0
  9. 3 0 6 0 0 0 4 1 2