D12121323331322331313232223132313232213231323223313113313231333131   >>    D1212132333132233131323222313231323221323132322331311331323133313   <<    D12121323331322331313232223132313232213231323223313113313231333133   >>      D12121323331322331313232223132313232213231323223313113313231333132   >>