{1} Bi(6)_bends_1.gif Bi(6)_bends_2.gif Bi(6)_bends_3.gif Bi(6)_bends_4.gif Bi(6)_bends_5.gif
{3} Bi(6)_bends_6.gif Bi(6)_bends_7.gif Bi(6)_bends_8.gif Bi(6)_bends_9.gif Bi(6)_bends_10.gif
{4} Bi(6)_bends_11.gif Bi(6)_bends_12.gif Bi(6)_bends_13.gif Bi(6)_bends_14.gif Bi(6)_bends_15.gif
{3, 4} Bi(6)_bends_16.gif Bi(6)_bends_17.gif Bi(6)_bends_18.gif Bi(6)_bends_19.gif
Created with the Wolfram Language