I233231323331311331313232233132211233131323223313231322233231111   >>    I23323132333131133131323223313221123313132322331323132223323111   <<    I233231323331311331313232233132211233131323223313231322233231113   >>      I233231323331311331313232233132211233131323223313231322233231112   >>