ӣţţƻƽ̨  ţţ  ţţƻ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ½  ţţô  ţţ  ţţ  ţţƭ  ţţ¼  ţţ½  ţţ  ţţ  ţţֱ  ţţ  ţţ