7.sd 172 B

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