This article proposes and compares the performance of three flexible and bandwidth efficient transceivers. The terminology of Over-Complete Mapping (OCM) is introduced in the first two schemes. All of the schemes. namely Non-Convergent Serial Concatenated OCM Coding (NCSCOC). https://www.lightemupsequences.com/save-big-Playstation-5-Console-Disc-Version-Playstation-5-Used-Complete-in-box-p30507-amazing-save/