1  
 2  []
 3  
 4  [,]
 5  
 6  [,,]
 7  
 8  [0,,]
 9  
10  [,0]
11  
12  [,0,]
13  
14  [;]
15  
16  [;;]
17  
18  [0;;]
19  
20  [;0]
21  
22  [;0;]