).  (0, -0.0) to (0,0.0); (-0.0,0) to (0,0); (0.0,0) to (0,0); in [0,...,0]{} (, -0.0) to (,0.0); in [0,...,0]{} (-, -0.0) to (-,0.0);  in [0,...,0]{} (-0.0, ) to (0,); in [0,...,0]{} (-0.0, -) to (0,-);  in [0,...,0]{} (0, ) to (0.0-,0.0);  in [0,...,0]{} (0, -) to (0.0,0.0-); in [0,...,0]{} (-0.0, -0.0) to (0.0,-+0.0);  