Teach rather strong stuff color decade

qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi qi