[ Tree (Cell 1:1 3:12 (NodeHeader (HeaderGreat "" ""))) 
    [ Tree (Cell 1:3 3:12 NodePara) 
        [ Tree (Cell 1:3 1:8 (NodeToken (TokenText "text1"))) []
        , Tree (Cell 2:3 3:12 (NodeHeader (HeaderGreat "" ""))) 
            [ Tree (Cell 2:5 3:12 NodePara) 
                [ Tree (Cell 2:5 2:10 (NodeToken (TokenText "text2"))) []
                , Tree (Cell 3:5 3:12 (NodeHeader (HeaderGreat "" ""))) 
                    [ Tree (Cell 3:7 3:12 NodePara) 
                        [ Tree (Cell 3:7 3:12 (NodeToken (TokenText "text3"))) []
                        ] 
                    ] 
                ] 
            ] 
        ] 
    ] 
]