7.sd 172 B

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