7.sd 172 B

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