D12121323331322331313232223132313232213231323223313133313231333221   >>    D1212132333132233131323222313231323221323132322331313331323133322   <<    D12121323331322331313232223132313232213231323223313133313231333223   >>      D12121323331322331313232223132313232213231323223313133313231333222   >>