xxxxoxxxxxxxxxxxxxxxxxxxxxxxoxxxx
x    xx                      x  x
x xxxxx xxxxxxxxxxx xxxxxxxxxxxxx
x x                     x       x
x x xxx xxxxxxxxxxxxxxx xxxxx xxx
x x   x xx            x         x
x xxxxx xx xxxxxxxxxx xxxxxxxxx x
x       xx x        x         x x
xxxxxxxxxxxxxxxxxxxxxxxxxx xxxx x
x      x                        x
x xx x x x xxxxxxxxxxxxxxxxxxxxxx
x  xxx x x xx                   o
x xx     x xxxxxxxxxxxxxxxxxxx xx
x x  xxxxx                     xx
xoxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx