LibraryNearring( grp_name, num )
LibraryNearring retrieves a near-ring from the near-rings library files.
grp_name must be one of the following strings
indicating the name of the according group: "C2", "C3",
"C4", "V4", "C5", "C6", "S3", "C7",
"C8", "C2xC4", "C2xC2xC2", "D8", "Q8",
"C9", "C3xC3", "C10", "D10", "C11",
"C12", "C2xC6", "D12", "A4", "T",
"C13", "C14", "D14", "C15",
num must be an integer which indicates the number of the class of
near-rings on the specified group.
gap> n := LibraryNearring( "V4", 13 ); LibraryNearring( "V4", 13 )
GAP 3.4.4