ӣţţƭ  ţţ  ţţ  ţţ¼  ţţ½  ţţ  ţţô  ţţ  ţţƻ  ţţ  ţţ¼  ţţ½  ţţ淨  ţţ  ţţ  ţţֱ  ţţ  ţţ  ţţƻ  ţţ