...XXXX|.......|.......|XXXXXXX|X.....X|X.....X|XXXX..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..X...|.......|.......|.......|.......|.......|X..X...
X..XXXX|X.....X|X.....X|XXXXXXX|.......|.......|XXXX...
|