D12121323331322331313232223132313231323133313223313113313231311   >>    D1212132333132233131323222313231323132313331322331311331323131   <<    D12121323331322331313232223132313231323133313223313113313231313   >>      D12121323331322331313232223132313231323133313223313113313231312   >>