ӣţţ  ţţ  ţţ  ţţ  ţţ½  ţţƻ  ţţ  ţţ½  ţţ  ţţע  ţţƽ̨  ţţ¼  ţţ  ţţƽ̨  ţţ  ţţƻ  ţţ  ţţע  ţţô  ţţ  ţţ  ţţƽ̨  ţţ  ţţ½  ţţ  ţţֱ  ţţ  ţţ  ţţ¼  ţţע