2N+1 rows and 2M+1 columns, wherein N and M are integers, said {HEAD ~ 2N+1 rows} and 2M+1 columns comprising at least three rows and at least five columns or at least five rows and {TAIL ~ at least three columns} 
2N+1 rows and 2M+1 columns , wherein N and M are integers , said { HEAD ~ 2N+1 rows } and 2M+1 columns comprising at least three rows and at least five columns or at least five rows and { TAIL ~ at least three columns }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL