This is a remake version.
The trick is same. The middle layer was made witha newly devised structure. The reason is to stable the layer as much aspossible. The center part like a knob was also devised. Some customers put it upsidedown while playing. In fact, this how to put was unrelated to the solution. But, with this as a hint, at the copies of this time, it is related to thesolution a little. This is by a slight playfulness.