D33131231211132322233231323132313232213231323223313223313231323133313232121   >>    D3313123121113232223323132313231323221323132322331322331323132313331323212   <<    D33131231211132322233231323132313232213231323223313223313231323133313232123   >>      D33131231211132322233231323132313232213231323223313223313231323133313232122   >>