0 1 Invoice 0 0
1 14 #text 0 1 
   
1 1 cat:ReferencedOrder 0 0
2 14 #text 0 1 
      
2 1 cat:SellersOrderID 0 0
3 3 #text 0 1 pvalue->ReferencedOrder.SellersOrderID
2 15 cat:SellersOrderID 0 0
2 14 #text 0 1 
   
1 15 cat:ReferencedOrder 0 0
1 14 #text 0 1 

0 15 Invoice 0 0