public static void main(String[] args) {

        Tree t = new TreeImpl();
        int[] array = null;
        for(int i=0; i<11; ++i) {
            array = new int[i];
            for(int q=0; q<array.length; ++q) {
                array[q] = q+1;
            }
            t.setTree(array);
            System.out.println(t.toString()+"\n");
        }
    }