A cardboard cylinder has a circumference of 12 cm and a length of 20 cm. Ranjeet started at the top of the roll and drew a line all the way around the roll. He completed four turns before reaching the bottom, as shown in the picture. How long was the line that Ranjeet drew?

Note: Brain teasers are often open to more than one interpretation, and multiple answers may be possible. Sample solutions are shown.