4.sd 172 B

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