D11212112331311331313231322132313331313232233132322132233112331   >>    D1121211233131133131323132213231333131323223313232213223311233   <<    D11212112331311331313231322132313331313232233132322132233112333   >>      D11212112331311331313231322132313331313232233132322132233112332   >>