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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
By analogy with 2D chiral objects (left) that can be transformed into each other through a rotation in higher dimensions (3D), the configuration of 3D chiral objects can be inverted just by rotations in 4D (right).