The point that you clicked on (shown in red) is related to the initial point in magenta by a centre of inversion at the point (1/2,1/2,0). The corresponding symmetry operator is 1-x,1-y,-z.
Before you click on the other symmetry equivalent points shown in blue, try to determine which symmetry element and which symmetry operator relates the point you intend to click on to the one coloured magenta.
When you have clicked on all of the points, return to the starting page using the arrow below.
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