0.020317 Sound On 672.357143 Sound Off 677.928005 Sound On 728.631587 Sound Off 729.902245 Sound On 768.242381 Sound Off 770.186145 Sound On 925.475193 Sound Off 928.173900 Sound On 1782.679048 Sound Off 1783.239093 Sound On 1791.331429 Sound Off 1793.172698 Sound On 3599.018662 Sound Off