D3311222132313331313331313223313133313231322331323132321233132331221   >>    D331122213231333131333131322331313331323132233132313232123313233122   <<    D3311222132313331313331313223313133313231322331323132321233132331223   >>      D3311222132313331313331313223313133313231322331323132321233132331222   >>