D11212112331311331313231322132313331313232233132322112211231231231   >>    D1121211233131133131323132213231333131323223313232211221123123123   <<    D11212112331311331313231322132313331313232233132322112211231231233   >>      D11212112331311331313231322132313331313232233132322112211231231232   >>