D2233132321123121212132313231331123231313231333132313223313233313233213231221   >>    D223313232112312121213231323133112323131323133313231322331323331323321323122   <<    D2233132321123121212132313231331123231313231333132313223313233313233213231223   >>      D2233132321123121212132313231331123231313231333132313223313233313233213231222   >>