D1212121212131323331312323132322331313232233132323132323132313131   >>    D121212121213132333131232313232233131323223313232313232313231313   <<    D1212121212131323331312323132322331313232233132323132323132313133   >>      D1212121212131323331312323132322331313232233132323132323132313132   >>