/ / ___\\ / / ___\\
| | 1 I*\/ 3 || | | 1 I*\/ 3 || / / /pi\ /pi\\\ / / /pi\ /pi\\\ / / /2*pi\ /2*pi\\\ / / /2*pi\ /2*pi\\\ / / /4*pi\ /4*pi\\\ / / /4*pi\ /4*pi\\\
(x - y)*|x - y*|- - - -------||*|x - y*|- - + -------||*|x - y*|- cos|--| - I*sin|--|||*|x - y*|- cos|--| + I*sin|--|||*|x - y*|- I*sin|----| + cos|----|||*|x - y*|I*sin|----| + cos|----|||*|x - y*|- I*sin|----| + cos|----|||*|x - y*|I*sin|----| + cos|----|||
\ \ 2 2 // \ \ 2 2 // \ \ \9 / \9 /// \ \ \9 / \9 /// \ \ \ 9 / \ 9 /// \ \ \ 9 / \ 9 /// \ \ \ 9 / \ 9 /// \ \ \ 9 / \ 9 ///
((((((((x - y)*(x - y*(-1/2 - i*sqrt(3)/2)))*(x - y*(-1/2 + i*sqrt(3)/2)))*(x - y*(-cos(pi/9) - i*sin(pi/9))))*(x - y*(-cos(pi/9) + i*sin(pi/9))))*(x - y*(-i*sin(2*pi/9) + cos(2*pi/9))))*(x - y*(i*sin(2*pi/9) + cos(2*pi/9))))*(x - y*(-i*sin(4*pi/9) + cos(4*pi/9))))*(x - y*(i*sin(4*pi/9) + cos(4*pi/9)))