I guess it's something like this: drawline(0,0,0,1) drawline(0,1,1,1) drawline(1,1,1,0) drawline(1,0,0,0) and here we are crazy of his

I guess it's something like this: drawline(0,0,0,1) drawline(0,1,1,1) drawline(1,1,1,0) drawline(1,0,0,0) and here we are crazy of his great achievment.