There are, but I believe due to size of the description, they do not show on main page.

It took me a bit to notice you can scroll down kata descriptions - so I suggest just that!

However one of the examples given was... (note the Whitespaces, Python)

#1 floor:

tower = ["*"]

#2 floor :

tower = [" * ","***"]

#3 floor : 

tower = ["  *  "," *** ", "*****"]