D3311222132313331313132313223313232233132313331323331312323221211   >>    D331122213231333131313231322331323223313231333132333131232322121   <<    D3311222132313331313132313223313232233132313331323331312323221213   >>      D3311222132313331313132313223313232233132313331323331312323221212   >>