D12121323331322331313232223132313231333132313223313231323323132311   >>    D1212132333132233131323222313231323133313231322331323132332313231   <<    D12121323331322331313232223132313231333132313223313231323323132313   >>      D12121323331322331313232223132313231333132313223313231323323132312   >>