Polygons concave ordered M.Son those that are identified with the data ( b, m, n ) b greater that m, m greater that n, n greater or equal that one, and is built by a partition to the perform a court by the line union that une points ends opposite or points means opposite of indicators opposite of polygons concave ordered full of dato ( m, m, 1 ) m more that one and ( m, m, 2 ) m more that two respectively, are formed by two lines broken of equal number of side and four indicators, is divided in parallelograms congruent and are of the form equal one and two, if is built by a partition of polygons concave ordered full of them forms earlier.