(! /^#/ ) {
	if ( ($18 != last18) || ($19 != last19) )
	    change++;
	else
	    change = 0;    

	last18 = $18;
	last19 = $19;
	time = $1	
	if ( (change > 2) && (time > lastchange + 0.5) )
	{
	    printf( "Reset at %8.4f\n", time );
	    lastchange = time;
	    resets++;
	}
    }

END	{ 
	    printf("Total %d\n", resets);
	}