1 0 10 doc 0 0 2 0 1 doc 0 0 3 1 1 b 0 0 4 2 3 #text 0 1 This 5 1 15 b 0 0 6 1 1 c 0 0 7 2 3 #text 0 1 is a 8 1 15 c 0 0 9 1 1 d 0 0 10 2 3 #text 0 1 valid document 11 1 15 d 0 0 12 0 15 doc 0 0 13
