D12121212121313233313232313231323123231323223313113313231323132322331   >>    D1212121212131323331323231323132312323132322331311331323132313232233   <<    D12121212121313233313232313231323123231323223313113313231323132322333   >>      D12121212121313233313232313231323123231323223313113313231323132322332   >>