compatible license as the original. https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue You may
the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections
its forward orbit. Divide orbit int 3 subsets ( like in backward method for drawing external ray) Draw 3 subsets of points joined by lines Compare with