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右图是一个二十面体,上面一共有12个顶点。请你沿着黑色线条一次性经过所有的顶点,并且每个顶点只能经过一次,最后回到出发点。
The right image is an icosahedron with a total of 12 vertices. Please go all the vertices along the black line at once, and each vertex can only go through once, and finally back to the starting point.