ordered concave polygons is incorrectly written and should be written as "Ordained concave polygons" being its meaning:They are those that consist of two or four concave polygonal lines or broken lines and four line segments or indicators that do not belong to the broken lines and can be identified with a triplet or data ( m, r, n ) or ( r, m, n ) m greater than or equal to r, greatest r n, n greater or equal to 1 in such a way that the first two components are the order and the third component is the value of the indicator.
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