    // strip.setPixelColor( point2seq( pt, org, gridSize), c);
    // strip.show();
    
-   delay( 6000);
+   delay( 10000);
    clearStrip();
    strip.show();
    delay( 600);


void flashTwoDifferentColors()
{
  struct point_s org = {0, 0};
  struct point_s gridSize = {5, 5};
  struct point_s p = {3,1};
  int i = point2seq( p, org, gridSize);
  
  strip.setPixelColor( i, Color( 0, 30, 30 ));

// horizontally to the lower right corner, going up a row and continuing back to the left, going up a row and continuing
// to the right, etc.

int point2seq( struct point aPt, struct point anOrigin, struct point aGridSize)
{
   int retval;
   struct point pt0 = aPt;

   // Transform to zero-based point.
   pt0.x -= anOrigin.x;
