	X
X	X
XX	X
XXX	X
XXXX	X
XXXXX	X
XXXXXX	X
XXXXXXX	X
XXXXXXXX	X
XXXXXXXXX	X
XXXXXXXXXX	X
XXXXXXXXXXX	X
XXXXXXXXXXXX	X
XXXXXXXXXXXXX	X
XXXXXXXXXXXXXX	X
XXXXXXXXXXXXXXX	X
XXXXXXXXXXXXXXXX	X
XXXXXXXXXXXXXXXXX	X
XXXXXXXXXXXXXXXXXX	X
XXXXXXXXXXXXXXXXXXX	X
