        What was more important, though, was column four, row four had a simple drawing of what she’d made on the beach last time.  After that, there were marks on each different day.  This is its calendar.  She tapped her hoof on the first marked day, then circled her forehoof, indicating the whole of the beach.  She began tapping each day that passed, counting them off.  When she reached the end of the page, she flipped it over to the next.