D23312331311331311331322233231323132313232233132313221123313231323123121111   >>    D2331233131133131133132223323132313231323223313231322112331323132312312111   <<    D23312331311331311331322233231323132313232233132313221123313231323123121113   >>      D23312331311331311331322233231323132313232233132313221123313231323123121112   >>