CEDAR RAPIDS — Two Cedar Rapids men and one Ely man, who were on federal probation following drug and gun convictions, are headed back to prison for assaulting two men in the parking lot of a local strip club in February.U.S. District Senior Judge Linda Reade on Monday sentenced Lashaun Perry, 43, and Maurice Bivens, 40, both of Cedar Rapids, and Montrivel Woods, 42, of Ely, to two years in prison, following an evidentiary hearing last month.Evidence at the hearing showed that early February 2, Perry, Bivens, and Woods got into a fight with two men, not identified, outside The Lumberyard, a strip club in Cedar Rapids. The fight was broken up and the two unidentified men drove to another parking lot, according to court documents.