{3} Bi(19)_bends_1.gif Bi(19)_bends_2.gif Bi(19)_bends_3.gif Bi(19)_bends_4.gif Bi(19)_bends_5.gif Bi(19)_bends_6.gif
{4} Bi(19)_bends_7.gif Bi(19)_bends_8.gif Bi(19)_bends_9.gif Bi(19)_bends_10.gif Bi(19)_bends_11.gif Bi(19)_bends_12.gif
{3, 4} Bi(19)_bends_13.gif Bi(19)_bends_14.gif Bi(19)_bends_15.gif Bi(19)_bends_16.gif Bi(19)_bends_17.gif
Created with the Wolfram Language