D2311231323331322331313232233132313231313231313331323132313123223311   >>    D231123132333132233131323223313231323131323131333132313231312322331   <<    D2311231323331322331313232233132313231313231313331323132313123223313   >>      D2311231323331322331313232233132313231313231313331323132313123223312   >>