________xxxxxxxxx______xxxxxxxxx
_____xxxxxxxxxxxxxx___xxxxxxxxxxxxx
_____xxxxxxxxxxxxxxxx_xxxxxxxxxxxxxx
_____xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
______xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
_______xxxxxxxxxxxxxxxxxxxxxxxxxxx
_________xxxxxxxxxxxxxxxxxxxxxx
____________xxxxxxxxxxxxxxxxx
_______________xxxxxxxxxxxx
_________________xxxxxxxxx
__________________xxxxx
___________________xxxx
___________________xxx
__________________xx
_________________x
_______________x