D23312331311331313231323131111233132322132322331323132321123223311   >>    D2331233131133131323132313111123313232213232233132313232112322331   <<    D23312331311331313231323131111233132322132322331323132321123223313   >>      D23312331311331313231323131111233132322132322331323132321123223312   >>