I233231323331311331313232233132211233131323223313231111331311331121   >>    I23323132333131133131323223313221123313132322331323111133131133112   <<    I233231323331311331313232233132211233131323223313231111331311331123   >>      I233231323331311331313232233132211233131323223313231111331311331122   >>