same pointer, same offset, same bytes: compare abcde to abcde => EQ
same pointer, different offset, same bytes: compare abcde to abcde => EQ
same pointer, different offset, different bytes: compare abcde to klmno => LT
same pointer, different offset, different bytes: compare klmno to abcde => GT
different pointer, different offset, same bytes: compare abcde to abcde => EQ
different pointer, different offset, different bytes: compare abcde to fghij => LT