0 10 doc 0 0
0 1 doc 0 0
1 14 #text 0 1 
    
1 1 a 0 0
2 5 ent1 0 0
1 15 a 0 0
1 14 #text 0 1 
    
1 1 b 0 0
2 5 ent1 0 0
1 15 b 0 0
1 14 #text 0 1 
    
1 1 a 0 0
2 5 ent2 0 0
1 15 a 0 0
1 14 #text 0 1 
    
1 1 b 0 0
2 5 ent2 0 0
1 15 b 0 0
1 14 #text 0 1 

0 15 doc 0 0