6
3 / / 2 3 7 3 6 3 12\ / 2 2 6\\ / 2 4\
/ 2 4\ | 2 | / 2 4\ 2 / 2\ / 2\ / 2\ / 2 4\ / 2 4\ / 2\ / 2\ 2 / 2\ / 2 4\ 2 / 2\ / 2 4\ | / 2 4\ |/ 2\ / 2 4\ 2 / 2\ 2 / 2\ / 2 4\ || 3*\4 - 5*x + 2*x /
36*\4 - 5*x + 2*x / *\2*x *\12*\4 - 5*x + 2*x / + 40*x *\-5 + 4*x / + 15*\-5 + 4*x /*\-5 + 12*x /*\4 - 5*x + 2*x / + 54*\4 - 5*x + 2*x / *\-5 + 4*x /*\-5 + 12*x / + 540*x *\-5 + 4*x / *\4 - 5*x + 2*x / + 648*x *\-5 + 4*x / *\4 - 5*x + 2*x / / + 3*\4 - 5*x + 2*x /*\\-5 + 12*x /*\4 - 5*x + 2*x / + 10*x *\-5 + 4*x / + 36*x *\-5 + 4*x / *\4 - 5*x + 2*x / //*e