7.sd 172 B

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