D23312331311331311331322233231323132313232233132323133313232212331   >>    D2331233131133131133132223323132313231323223313232313331323221233   <<    D23312331311331311331322233231323132313232233132323133313232212333   >>      D23312331311331311331322233231323132313232233132323133313232212332   >>