Схема (не цветная, но значки)https://2.bp.blogspot.com/-IqzqeTRf9WA/V-6yWP-JV1I/AAAAAAAAedg/82GYVlEL8GYWsdjq5JL7PO2qN-mAboSpACLcB/s1600/%25D0%25A1%25D1%2585%25D0%25B5%25D0%25BC%25D0%25B0%2B1.jpghttps://4.bp.blogspot.com/-Qul6WIJViEI/V-6yV33QqAI/AAAAAAAAedc/kb3cQ9NH47IN4yLdoNrLvK2m_kjnX9_kACLcB/s1600/%25D0%25A1%25D1%2585%25D0%25B5%25D0%25BC%25D0%25B0%2B2.jpgКлюч тоже есть