tttttttttttttttttttttttttttttttttttttttttttttt                                                     hhhhhhhhhhhhhhhhhhhhhhhhhhhh 

ttttttttttttttttttttttttttttttttttttttttttttttt                                                    uuuuuuuuuuuuuuuuuuuuuuuuuuuu

tttttttttttttttttttttttttttttttttttttttttttttttttttt                                               uuuuuuuuuuuuuuuuuuuuuuuuuuuu