D121213233313223313132322231323132313331323132233131323331323132313233311   >>    D12121323331322331313232223132313231333132313223313132333132313231323331   <<    D121213233313223313132322231323132313331323132233131323331323132313233313   >>      D121213233313223313132322231323132313331323132233131323331323132313233312   >>