7.sd 172 B

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