D33131132122132313132333132323213231323223313133313233313113313232233221   >>    D3313113212213231313233313232321323132322331313331323331311331323223322   <<    D33131132122132313132333132323213231323223313133313233313113313232233223   >>      D33131132122132313132333132323213231323223313133313233313113313232233222   >>