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