2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147579This paper has been withdrawn by Wenji Deng (e-mail: phwjdeng@scut.edu.cn) for further modification at Oct. 12, 1998. {PACS: 03.75.Fi, 05.30.Jp.64.60.-i, 32.80.Pj}withdraw the paperCondensed MatterPermutation symmetry and magic numbers of few-electron systemstext