7.sd 172 B

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