1  0 10 rnode 0 0
 2  0 1 rnode 0 0
 3  1 14 #text 0 1 
 4     
 5     
 6  1 1 f 0 0
 7  2 3 #text 0 1 
 8     hello world
 9     
10  1 15 f 0 0
11  1 14 #text 0 1 
12     
13  
14  0 15 rnode 0 0