3.sd 172 B

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