XXXXXXXXXX|XXXXXXXXXX|XXXXXXXXXX|XXXXXXXXXX
XXXXXXXXXX|X........X|XXX......X|XXXXXXXXXX
XXXXXXXXXX|X........X|XXX......X|XXXXXXXXXX
XXXXXXXXXX|X........X|X........X|XXX....XXX
XXXXXXXXXX|X........X|X........X|XXX....XXX
XXXXXXXXXX|X........X|X........X|XXX....XXX
XXXXXXXXXX|X........X|X........X|XXX....XXX
XXXXXXXXXX|X........X|X........X|XXXXXXXXXX
XXXXXXXXXX|X........X|X........X|XXXXXXXXXX
XXXXXXXXXX|XXXXXXXXXX|XXXXXXXXXX|XXXXXXXXXX
|