D33131231211132322233231323132313232213231323223313223313231333132313211311   >>    D3313123121113232223323132313231323221323132322331322331323133313231321131   <<    D33131231211132322233231323132313232213231323223313223313231333132313211313   >>      D33131231211132322233231323132313232213231323223313223313231333132313211312   >>