1  0 1 Invoice 0 0
 2  1 14 #text 0 1 
 3     
 4  1 1 cat:ReferencedOrder 0 0
 5  2 14 #text 0 1 
 6        
 7  2 1 cat:SellersOrderID 0 0
 8  3 3 #text 0 1 pvalue->ReferencedOrder.SellersOrderID
 9  2 15 cat:SellersOrderID 0 0
10  2 14 #text 0 1 
11     
12  1 15 cat:ReferencedOrder 0 0
13  1 14 #text 0 1 
14  
15  0 15 Invoice 0 0