D121213233313223313131232313132313232233132313331311331323132322311   >>    D12121323331322331313123231313231323223313231333131133132313232231   <<    D121213233313223313131232313132313232233132313331311331323132322313   >>      D121213233313223313131232313132313232233132313331311331323132322312   >>