D33131231211132322233231323132322132313231323223313132333132322132322311   >>    D3313123121113232223323132313232213231323132322331313233313232213232231   <<    D33131231211132322233231323132322132313231323223313132333132322132322313   >>      D33131231211132322233231323132322132313231323223313132333132322132322312   >>