D12121323331322331313232223132313231333132313223313231323331323123231111   >>    D1212132333132233131323222313231323133313231322331323132333132312323111   <<    D12121323331322331313232223132313231333132313223313231323331323123231113   >>      D12121323331322331313232223132313231333132313223313231323331323123231112   >>