21.   Often a single operation took tens of millions of dollars a year from thousands of victims.

22.   Other news media operations took precautions.

23.   Operations such as these take place almost daily.

24.   Since then the operation has taken off.

25.   Soon after his start at Estrella River, the operation took off.

26.   That operation could have taken place fairly quickly, officials said.

27.   The army chief of staff has said that the operation would take eight weeks.

28.   The entire operation takes no more than half an hour.

29.   The entire operation takes about two hours, Brown said.

30.   The entire operation took just seven minutes.