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Coordinates: symmetries
Use your mouse to move the red point. (Right-click to clear the traced paths.)


Find where the red point has to move to for each of these points to be in the required position.
Green point at (4,3)
Orange point at (4,3)
Blue point at (4,3)
Purple point at (4,3)

a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
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