D12121212121313233313123231323223313232231323132313231323132313223321   >>    D1212121212131323331312323132322331323223132313231323132313231322332   <<    D12121212121313233313123231323223313232231323132313231323132313223323   >>      D12121212121313233313123231323223313232231323132313231323132313223322   >>