 Complete the following phrase:  At the 2012 Summer Olympics in London, Oliveira competed in the same individual events with only two days in between. He achieved FINA B-standards of 1:59.72 200 m backstroke from the European Championships in Debrecen, Hungary, and 1:58.50 200 m butterfly from the Summer Universiade in Shenzhen, China. In his first event, 200 m butterfly, Oliveira placed twenty-second on the morning preliminaries. He powered past the entire field to lead the second heat in a personal textile best of 1:58.45. Two days later, in the 