D3311222132313331313331313223313133313231322331323132321233132313232212321   >>    D331122213231333131333131322331313331323132233132313232123313231323221232   <<    D3311222132313331313331313223313133313231322331323132321233132313232212323   >>      D3311222132313331313331313223313133313231322331323132321233132313232212322   >>