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medium-2005-01-31.su 180 B

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  1. 1.8..4...
  2. ..9....1.
  3. .6.19.74.
  4. 2...7....
  5. .87.3.46.
  6. ....6...7
  7. .74.53.2.
  8. .3....9..
  9. ...8..6.3
  10. 158724396
  11. 749386512
  12. 362195748
  13. 296478135
  14. 587231469
  15. 413569287
  16. 674953821
  17. 835612974
  18. 921847653