Pencil Graphic

The image is of a closed circle of 100 established in the territory. The question is how to reproduce the graph without lifting the tip of the pen or pencil? Ken Blanchard is a puzzle.

Do not lift the pen, paper lower.

100 may be touching the circle?? because if it does start and end the circle on top and when you exit the circle draw a line down one stands for at the end of one into a loop and another loop 0 for others if it can not touch the circle, so I have no idea

Fold the paper

Just fold the paper.