D2311231323331322331313232233132322331311212111133131232313231111   >>    D231123132333132233131323223313232233131121211113313123231323111   <<    D2311231323331322331313232233132322331311212111133131232313231113   >>      D2311231323331322331313232233132322331311212111133131232313231112   >>