D12121323331322331313232223132313231333132313223313232233131232322231   >>    D1212132333132233131323222313231323133313231322331323223313123232223   <<    D12121323331322331313232223132313231333132313223313232233131232322233   >>      D12121323331322331313232223132313231333132313223313232233131232322232   >>