D33131231211132322233231323132313232213231323223313223313111211   >>    D3313123121113232223323132313231323221323132322331322331311121   <<    D33131231211132322233231323132313232213231323223313223313111213   >>      D33131231211132322233231323132313232213231323223313223313111212   >>