xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x

ooooooooooooooooooooooooooooooo

x x x x x x x x x x x x x x x x x x x x xx x x x

oooooooooooooooooooooooooooooooooooooo

x x x x x x x x x x x x x x x x x x x

oooooooooooooo

x x x x x x x x x x x x x x x x x x x x x x x

ooooooooooooooooooooooooo

x x x x x x x x x x x x x x x