ӣţţƽ̨  ţţ  ţţ  ţţ½  ţţ  ţţ¼  ţţ  ţţƭ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţͼ  ţţ  ţţ  ţţ  ţţô  ţţ