D33131132122132313132333132323213231323223313133313233313233232211331   >>    D3313113212213231313233313232321323132322331313331323331323323221133   <<    D33131132122132313132333132323213231323223313133313233313233232211333   >>      D33131132122132313132333132323213231323223313133313233313233232211332   >>