D12121323331322331313232223132313231323331333132322132313231131   >>    D1212132333132233131323222313231323132333133313232213231323113   <<    D12121323331322331313232223132313231323331333132322132313231133   >>      D12121323331322331313232223132313231323331333132322132313231132   >>