D11212112331311331313231322132313331313232233131311331323221323132321   >>    D1121211233131133131323132213231333131323223313131133132322132313232   <<    D11212112331311331313231322132313331313232233131311331323221323132323   >>      D11212112331311331313231322132313331313232233131311331323221323132322   >>