{1} Bi(1)_bends_1.gif Bi(1)_bends_2.gif Bi(1)_bends_3.gif Bi(1)_bends_4.gif
{3} Bi(1)_bends_5.gif Bi(1)_bends_6.gif Bi(1)_bends_7.gif Bi(1)_bends_8.gif
Created with the Wolfram Language