1<?xml version="1.0"?> 2<!-- Comment-1 --> 3<far-north> Level-1 4 <!-- Comment-2 --> Level-2 5 <?a-pi pi-2?> 6 <north> 7 <!-- Comment-3 --> Level-3 8 <?a-pi pi-3?> 9 <near-north> 10 <!-- Comment-4 --> Level-4 11 <?a-pi pi-4?> 12 <center> 13 <near-south-west/> 14 <!-- Comment-5 --> Level-5 15 <?a-pi pi-5?> 16 <near-south> 17 <!-- Comment-6 --> Level-6 18 <?a-pi pi-6?> 19 <south attr1="First" attr2="Last"> 20 </south> 21 </near-south> 22 </center> 23 </near-north> 24 </north> 25</far-north> 26