ӣţţ  ţţ  ţţ½  ţţ  ţţ¼  ţţƻ  ţţ  ţţ  ţţͼ  ţţ  ţţ  ţţ淨  ţţƻƽ̨  ţţƻƽ̨  ţţƭ  ţţ½  ţţ  ţţֱ  ţţ淨  ţţ