

test1: a simple rectangle with a rectangular hole
test2: a simple example of nested rectangles and holes
test3: another simple example of nested rectangles and holes
test4: a complex example of nested rectangles and holes

my_logo_v0: presents a logo from an arbitrary font family

tiger: a complex drawing depicting a tiger
       --> needs more than 30min on my 2.5 GHz system to convert it to TLL
       -------------------------------------------
       ATTENTION: this is a copy from the internet 
       --> it is most probably NOT open-source
       -------------------------------------------
       
wnf_logo: WWF Logo: panda bear
       -------------------------------------------
       ATTENTION: this is a copy from the internet 
       --> it is most probably NOT open-source
       -------------------------------------------

