function Zuzia(){
    if(document.getElementsByClassName("_42ft _4jy0 _4jy3 _4jy1 selected _51sy").length > 1) {
	for(i = 1; i < document.getElementsByClassName("_42ft _4jy0 _4jy3 _4jy1 selected _51sy").length; ++i) {
            if(document.getElementsByClassName("_42ft _4jy0 _4jy3 _4jy1 selected _51sy")[i].parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.className == "") {
	            document.getElementsByClassName("_42ft _4jy0 _4jy3 _4jy1 selected _51sy")[i].click();
            }
        }
    }
}

setInterval(Zuzia, 4000);