Enable text based alternatives for graph display and drawing entry

Try Another Version of This Question

[Graphs generated by this script: setBorder(60,30,60,30);initPicture(0,4,0,8); fontsize=14;fontstyle='none';marker=null;line([0,0],[0,2]);line([0,2],[2,2]);line([0,4],[0,6]);line([0,6],[0,8]);line([0,8],[2,8]);line([2,0],[2,2]);line([2,0],[4,0]);line([2,2],[2,4]);line([2,2],[4,2]);line([2,4],[2,6]);line([2,6],[2,8]);line([2,6],[4,6]);line([2,8],[4,8]);line([4,2],[4,4]);fontbackground='white';dot([0,0]);dot([0,2]);dot([0,4]);dot([0,6]);dot([0,8]);dot([2,0]);dot([2,2]);dot([2,4]);dot([2,6]);dot([2,8]);dot([4,0]);dot([4,2]);dot([4,4]);dot([4,6]);dot([4,8]);]

Is this graph connected?

Get help: