Yes Rubik's cube cable class. For example, in Netease's open class, you can find a course called Fun Rubik's Cube, which was taught by Teacher Yu. He is not only a senior lecturer of image memory in Shang Yi, but also a senior Rubik's Cube coach of Super Brain and a certified coach of the Global Rubik's Cube Association. The course content includes Rubik's Cube Speed Twist and Blind Twist Speed Learn, which is suitable for those who are interested in Rubik's Cube.