If the configuration starts out to the right of the last peak, the ball will roll off to infinity, and the size of the hidden space will increase without bound (it will cease to be hidden).

• 假如组态起始于最后一个坡顶的右侧，球将会滚到无穷远处，而此隐藏空间的大小将会无止境地增加（将停止隐藏）。