D23312331311331311331322233231323132313232233132323133313222321   >>    D2331233131133131133132223323132313231323223313232313331322232   <<    D23312331311331311331322233231323132313232233132323133313222323   >>      D23312331311331311331322233231323132313232233132323133313222322   >>