 			if index % 2 == 0 {
 				return UIColor.blackColor()
 			} else {
-				return UIColor(white: 0.8, alpha: 1.0)
+				return UIColor(white: 0.7, alpha: 1.0)
 			}
 		}
 		if model.markers == 10 {

			if abs(index % 10) == 5 {
				return UIColor.blackColor()
			} else {
				return UIColor(white: 0.8, alpha: 1.0)
			}
		}
		if model.markers == 20 {
			if index % 2 == 0 {
				return UIColor.blackColor()
			} else {
				return UIColor(white: 0.8, alpha: 1.0)
			}
		}
		return nil

	
	lazy var leftCoverView: UIView = {
		let instance = UIView()
		instance.backgroundColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.1)
		instance.userInteractionEnabled = false
		return instance
	}()
	
	lazy var rightCoverView: UIView = {
		let instance = UIView()
		instance.backgroundColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.1)
		instance.userInteractionEnabled = false
		return instance
	}()
