sentences:  The original design constraints and reasoning behind the prehistoric design are not clear to us even today, but show in the choices made while creating the “maze.” To give a few examples, at any given spot in the blueish space, there are up to three possible directions to follow, not the four directions possible when 90 degree line segments join together.The outside edge of the outer complex object shows the outline of the inner complex object three times.There are three “dead ends” (in maze terminology) to the blueish-object’s area.