User:72.54.210.49
 | An editor has expressed a concern that this account may be a sockpuppet of K.duan2009 (talk · contribs · logs). Please refer to the sockpuppet investigation of the sockpuppeteer, and editing habits or contributions of the sockpuppet for evidence. This policy subsection may be helpful. Account information: block log – contribs – logs – abuse log – CentralAuth |