D121212122132313231323233231323223313233313232212112211232313233311   >>    D12121212213231323132323323132322331323331323221211221123231323331   <<    D121212122132313231323233231323223313233313232212112211232313233313   >>      D121212122132313231323233231323223313233313232212112211232313233312   >>