<prompt> Pedzisa mutsara unotevera: Karolina Andreyevna Sevastyanova ; akaberekwa 25 April 1995 ari Russian boka rhythmic gymnast. Iye ndiye 2012 Olympic Group All-around shasha,  <response>: 2012 European Group All-around shasha uye 2010 Youth Olympic Games Group All-around shasha. 