D12121323331322331313232223132313231323133313223313113313132333221   >>    D1212132333132233131323222313231323132313331322331311331313233322   <<    D12121323331322331313232223132313231323133313223313113313132333223   >>      D12121323331322331313232223132313231323133313223313113313132333222   >>