[Empty] [Text, line 1]
Item 2 [Text, line 2]
[Node started on line 3]
Item 2.1 [Text, line 3]
Item 2.2 [Text, line 4]
[Node started on line 6]
[Empty] [Text, line 5]
Item 2.2.2 [Text, line 6]
[Empty] [Text, line 7]
Item 2.3 [Text, line 8]
Item 3 [Text, line 9]
[Empty] [Text, line 10]