6x

6x6x6x6x
6x6x6x6x6x6x6x6x
6x6x6x6x6x6x6x6x6x6x6x6x
6x6x6x6x6x6x6x6x6x6x6x6x6x6x6x6x
6x6x6x6x6x6x6x6x