|r, 0, 0, 0, 0, 0, X, 
|0, 0, X, X, 0, 0, X, 
|0, 0, X, X, 0, X, X, 
|0, 0, X, X, 0, 0, X, 
|0, 0, 0, 0, 0, 0, X, 
|X, X, X, X, X, X, X,