<prompt> Pedzisa mutsara unotevera: Knierim akatanga kuita skating aine makore 12. Akatanga kudyidzana naBrynn Carman muna February 2006. Vakadzidziswa naDalilah Sappenfield muColorado Springs, Colorado. Vaviri vacho vakakunda zita renyika revatangi vatsva pa2008 U.S. Championships uye menduru yesirivha yevaduku pa  <response>: 2009 U.S. Championships. Vakazivisa kuguma kwehukama hwavo musi waApril 9, 2009. 