D2311231323331322331313232233132333132312111133132333132313232231   >>    D231123132333132233131323223313233313231211113313233313231323223   <<    D2311231323331322331313232233132333132312111133132333132313232233   >>      D2311231323331322331313232233132333132312111133132333132313232232   >>