D23312331311331313231323131111233132322132322331323223313311232322331   >>    D2331233131133131323132313111123313232213232233132322331331123232233   <<    D23312331311331313231323131111233132322132322331323223313311232322333   >>      D23312331311331313231323131111233132322132322331323223313311232322332   >>