D1212132333132233131323222313231323132313331322331312323132322233231   >>    D121213233313223313132322231323132313231333132233131232313232223323   <<    D1212132333132233131323222313231323132313331322331312323132322233233   >>      D1212132333132233131323222313231323132313331322331312323132322233232   >>