private void drawMoleculesInPlay() {	
		drawMoleculesFromList(inPlayOne);
		drawMoleculesFromList(inPlayTwo);
		drawMoleculesFromList(inPlayThree);
		drawMoleculesFromList(inPlayFour);

		if (startingArrowStrand[0] != null) startingArrowStrand[0].paintArrow((Graphics2D) bufferGraphics, this);
		if (startingArrowStrand[1] != null) startingArrowStrand[1].paintArrow((Graphics2D) bufferGraphics, this);
		if (startingArrowStrand[2] != null) startingArrowStrand[2].paintArrow((Graphics2D) bufferGraphics, this);
		if (startingArrowStrand[3] != null) startingArrowStrand[3].paintArrow((Graphics2D) bufferGraphics, this);
		
		drawArrowsFromList(inPlayOne);
		drawArrowsFromList(inPlayTwo);
		drawArrowsFromList(inPlayThree);
		drawArrowsFromList(inPlayFour);
	}