Graphs with projective suborbits. Cases of small characteristics. II

This article is devoted to the positive solution, announced earlier by the author, of the question of the boundedness of the orders of stabilizers of vertices of connected finite symmetric graphs with projective suborbits. We consider the case when the characteristic of the field is equal to 3 and the automorphism group of the graph acts transitively on its 3-arcs. (The case when the characteristic of the field is equal to 3 and the group acts intransitively on 3-arcs of the graph was considered in part I of the article.)