D3311222132313331313331313223313133313231322331323112331313231211   >>    D331122213231333131333131322331313331323132233132311233131323121   <<    D3311222132313331313331313223313133313231322331323112331313231213   >>      D3311222132313331313331313223313133313231322331323112331313231212   >>