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.roneverhart.com/2024-Floral-Halloween-Cookie-Card-3-5-x-5-Pre-Printed-Pack-of-25/