D121212122132313231323233231313231323323132322331323223313123233311   >>    D12121212213231323132323323131323132332313232233132322331312323331   <<    D121212122132313231323233231313231323323132322331323223313123233313   >>      D121212122132313231323233231313231323323132322331323223313123233312   >>