Matrix N is a 32 by 64 matrix which contains {TAIL ~ only 31 different positive values} A to Z and {HEAD ~ AA} to AE as shown in Appendix A 
Matrix N is a 32 by 64 matrix which contains { TAIL ~ only 31 different positive values } A to Z and { HEAD ~ AA } to AE as shown in Appendix A
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH