0.295488 Sound On
180.238776 Sound Off
181.495306 Sound On
870.143628 Sound Off
870.942902 Sound On
975.049683 Sound Off
975.645896 Sound On
1769.897528 Sound Off
1770.790862 Sound On
1785.348549 Sound Off
1786.160159 Sound On
3604.480000 Sound Off