ӣţţ  ţţ  ţţ  ţţ淨  ţţ  ţţ  ţţ  ţţ½  ţţ½  ţţֱ  ţţƻ  ţţ  ţţ  ţţ淨  ţţ  ţţƽ̨  ţţ  ţţƽ̨  ţţֱ  ţţ