ӣţţע  ţţ  ţţ  ţţ  ţţô  ţţ  ţţ  ţţ¼  ţţ  ţţƻ  ţţ  ţţ½  ţţô  ţţ  ţţ  ţţ  ţţƻ  ţţֱ  ţţ  ţţ