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