7.sd 172 B

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