9.sd 172 B

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