D121213233313223313132322231323132313331323132233132313132311311   >>    D12121323331322331313232223132313231333132313223313231313231131   <<    D121213233313223313132322231323132313331323132233132313132311313   >>      D121213233313223313132322231323132313331323132233132313132311312   >>