4.sd 172 B

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