<prompt> Kalima adәga samno: Chang dә cidawu  <response>: kammabe mita 100 butterflybe dә suro 2012 Summer Olympics Londonbe dәn, loktu FINA B-standardbe dәn 52.45 secondsa kәla dәn. Shiye zawal kən yakkəme dәn ferowa gade gade tulurzәna, suronzan Peter Mankoč lardә Sloveniabe dәn kәntagә uwu Olympianbe dә, freestyle relay champion Clement Lefert lardә Francebe dә, kuru Ryan Pini lardә Papua New Guineabe dәn kәntagә darebe Olympicbe dә. Changye na kən uwuye ro lezəna suro loktu 52.69 lan. Chang dә semifinals ro letәgәnyi, sau shi na kәn indimi arakkәn arakkәmiye dә suro preliminary heats dәn. 