D23312331311331311331322233231323132313232233132313221123313233313231323222231   >>    D2331233131133131133132223323132313231323223313231322112331323331323132322223   <<    D23312331311331311331322233231323132313232233132313221123313233313231323222233   >>      D23312331311331311331322233231323132313232233132313221123313233313231323222232   >>