D12121323331322331313232223132313231311221123223313132313331123231   >>    D1212132333132233131323222313231323131122112322331313231333112323   <<    D12121323331322331313232223132313231311221123223313132313331123233   >>      D12121323331322331313232223132313231311221123223313132313331123232   >>