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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 (http://creativecommons.org/licenses/by/4.0/).
Final positions of CM of chains after MCS for FP (a) and PI model (c) and averaged position of CM in x direction, with standard deviation , for FP model (b) and PI model (d). . , .