4.sd 172 B

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