【题】如图1是一个七色圆盘,它分成七个大小相同的扇形,依次填有红、橙、黄、绿、蓝、青、紫七种颜色.现在要求你将一个同样形状的空白圆盘按一定次序也填上这七种颜色,使得两个圆盘不管怎样叠合(但要求上下扇形互相对齐),上下两片至多只有一种颜色是对准的. [Title] Figure 1 is a seven-color disk, which is divided into seven sectors of the same size, followed by red, orange, yellow, green, blue, blue and purple colors. Now requires you to put a blank space of the same shape. The discs are also filled with the seven colors in a certain order, so that the two discs are superimposed anyway (but require upper and lower sectors to be aligned with each other), and at most only one color is aligned with the upper and lower two pieces.