D2311231323331322331313232233132322331311331311313233313231313311231   >>    D231123132333132233131323223313232233131133131131323331323131331123   <<    D2311231323331322331313232233132322331311331311313233313231313311233   >>      D2311231323331322331313232233132322331311331311313233313231313311232   >>