4.sd 172 B

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