xsl: transforming a list into a 2-D table

Question

Let\'s say I have this XML node:

    ...
    ...
    ...
    

        

Answer 1

Just for style, this XSLT 1.0 stylesheet:

With @Flack's answer input, output:

    

        
1
        
2
        
3
        
4
    
    

        
5
        
6
        
7
        
8
    
    

        
9
        
10
        
11
        
12
    
    

        
13
        
14
        
15
        
16
    
    

        
17
        
18
        
19
        
20
    
    

        
21
        
22
        
23
        
24
    
    

        
25
        
26
        
27