D23312331311331311331322233231323132313232233132313221232322231   >>    D2331233131133131133132223323132313231323223313231322123232223   <<    D23312331311331311331322233231323132313232233132313221232322233   >>      D23312331311331311331322233231323132313232233132313221232322232   >>