D12121212121313233313123231323223313132322331323323133313231322331   >>    D1212121212131323331312323132322331313232233132332313331323132233   <<    D12121212121313233313123231323223313132322331323323133313231322333   >>      D12121212121313233313123231323223313132322331323323133313231322332   >>