D23312331311331311331322233231323132313232233132313221123313231323133313222131   >>    D2331233131133131133132223323132313231323223313231322112331323132313331322213   <<    D23312331311331311331322233231323132313232233132313221123313231323133313222133   >>      D23312331311331311331322233231323132313232233132313221123313231323133313222132   >>