ӣţţ  ţţ  ţţƻ  ţţ  ţţƽ̨  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ½  ţţ  ţţ  ţţƻƽ̨  ţţ  ţţֱ  ţţע  ţţ½  ţţ  ţţ  ţţô  ţţͼ  ţţ½  ţţ  ţţ  ţţƻ  ţţ½  ţţ  ţţ½  ţţͼ