ӣţţ  ţţ  ţţ  ţţ  ţţ½  ţţô  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ½  ţţƽ̨  ţţ  ţţ  ţţô  ţţ  ţţ