SLLNode<String> tmp = current.firstChild;
                    SLLNode<String> tmp2;

                    while (tmp.sibling != null) {
                        tmp2 = tmp.sibling;
                        while (tmp2 != null) {
                            if (tmp.element.compareTo(tmp2.element) > 0) {

                                SLLNode<String> tmp3 = current.firstChild;
                                while (tmp3.sibling != tmp) {
                                    tmp3 = tmp3.sibling;
                                }

                                tmp3.sibling = tmp2;
                                tmp2.sibling = tmp.sibling;
                                tmp.sibling.sibling = tmp;
                                tmp.sibling = tmp2.sibling;

                            }

                            tmp2 = tmp2.sibling;
                        }

                        tmp = tmp.sibling;
                    }