D23312331311331311331322233231323132313232233132313221123313231323132313233111   >>    D2331233131133131133132223323132313231323223313231322112331323132313231323311   <<    D23312331311331311331322233231323132313232233132313221123313231323132313233113   >>      D23312331311331311331322233231323132313232233132313221123313231323132313233112   >>