D12121323331322331313232223132313231323133313223313133112312111   >>    D1212132333132233131323222313231323132313331322331313311231211   <<    D12121323331322331313232223132313231323133313223313133112312113   >>      D12121323331322331313232223132313231323133313223313133112312112   >>