Graph serialization test 1

(graph
    (name test.g.a)
    (constants
        [
            (attr defname aboba),
            (attr aboba aboba)
        ]
    )
    (edges
        [
            (edge
                (start 0)
                (rel >)
                (ends
                    [
                        (node
                            (id 8)
                            (attrs[])
                            (edges[])
                        )
                    ]
                )
                (attrs[])
            ),
            (edge
                (start 0)
                (rel >)
                (ends
                    [
                        (node
                            (id 18)
                            (attrs[])
                            (edges[])
                        )
                    ]
                )
                (attrs[])
            ),
            (edge
                (start 0)
                (rel >)
                (ends
                    [
                        (node
                            (id 1)
                            (attrs[])
                            (edges[])
                        )
                        (node
                            (id 2)
                            (attrs[])
                            (edges[])
                        )
                        (node
                            (id 3)
                            (attrs[])
                            (edges
                                [
                                    (edge
                                        (start 4)
                                        (rel >)
                                        (ends
                                            [
                                                (node
                                                    (id 4)
                                                    (attrs[])
                                                    (edges[])
                                                ),
                                                (node
                                                    (id 5
                                                    (attrs[])
                                                    (edges[])
                                                )
                                            ]
                                        )
                                        (attrs[])
                                    )
                                ]
                            )
                        )
                    ]
                )
                (attrs[])
             )
        ]
    )
)