Octagons irregular ordered G8. They are those that are constructed from polygons sorted concave of data ( m, r, n ) m more that r, r greater that n, n greater or equal that one, and is identified with the same data ( m, r, n ) have four sides intercept and four sides indicator, are of the form only one and two or of them forms one two and three, if is built starting from polygons concave ordered of them forms earlier.
