D12121212121313233313123231323223313132322331323132223132333131   >>    D1212121212131323331312323132322331313232233132313222313233313   <<    D12121212121313233313123231323223313132322331323132223132333133   >>      D12121212121313233313123231323223313132322331323132223132333132   >>