bezier4Path.addCurveToPoint(CGPointMake(18.72 * xScalingFactor, 39.6 * yScalingFactor), controlPoint1: CGPointMake(17.76 * xScalingFactor, 0.74 * yScalingFactor), controlPoint2: CGPointMake(-2.5 * xScalingFactor, 19.04 * yScalingFactor))