D331212121133131333131323223313232233132313223313231323123233311   >>    D33121212113313133313132322331323223313231322331323132312323331   <<    D331212121133131333131323223313232233132313223313231323123233313   >>      D331212121133131333131323223313232233132313223313231323123233312   >>