la cruz de palpa 51
Palpa lines cross is born, is not more than a tidy polygon concave (3, 3, 2) data that occupies the first place of the second member of the collection of polygons arranged concave of data (m, m, n) m greater than n, n greater or equal to one , and it can be demonstrated that its perimeter is four times the length of the largest perpendicular drawn between two sides parallel and opposite.