D12121323331322331313232223132313231333132313223313231311132313231131   >>    D1212132333132233131323222313231323133313231322331323131113231323113   <<    D12121323331322331313232223132313231333132313223313231311132313231133   >>      D12121323331322331313232223132313231333132313223313231311132313231132   >>