D33131132122132313132333132323213231323223313133313233313311212131   >>    D3313113212213231313233313232321323132322331313331323331331121213   <<    D33131132122132313132333132323213231323223313133313233313311212133   >>      D33131132122132313132333132323213231323223313133313233313311212132   >>