D12121323331322331313232223132313231323133313223313113313233221   >>    D1212132333132233131323222313231323132313331322331311331323322   <<    D12121323331322331313232223132313231323133313223313113313233223   >>      D12121323331322331313232223132313231323133313223313113313233222   >>