ӣţţ¼  ţţ  ţţƭ  ţţ½  ţţע  ţţ  ţţֱ  ţţ  ţţ  ţţ  ţţ  ţţͼ  ţţ¼  ţţƻ  ţţ  ţţ  ţţô  ţţ¼  ţţ  ţţ