ӣţţͼ  ţţ  ţţ¼  ţţ  ţţ¼  ţţ  ţţע  ţţֱ  ţţ  ţţ  ţţ  ţţô  ţţ  ţţƻ  ţţ½  ţţ  ţţ  ţţ½  ţţ淨  ţţ½