 
 void alternate(CRGB colorOne, CRGB colorTwo) {
   for(int i = 0; i < NUM_LEDS; i++) {
-    
     if ((i & 1) == 0) { // For even numbered LEDs...
       leds[i] = colorOne;
     }


	// Now go in the other direction.  
	for(int i = NUM_LEDS-1; i >= 0; i--) {
		// Set the i'th led to red 
		leds[i] = colorTwo;
		// Show the leds
		FastLED.show();


void cylon(CRGB colorOne, CRGB colorTwo) {
  for (int i = 0; i < NUM_LEDS; i++) {
		// Set the i'th led to colorOne 
		leds[i] = colorOne;
		// Show the leds
		FastLED.show();
