I233231323331311331313232233132211233131323223313231322133313232212311   >>    I23323132333131133131323223313221123313132322331323132213331323221231   <<    I233231323331311331313232233132211233131323223313231322133313232212313   >>      I233231323331311331313232233132211233131323223313231322133313232212312   >>