I233231323331311331313232233132211233132333132233132333132313311211   >>    I23323132333131133131323223313221123313233313223313233313231331121   <<    I233231323331311331313232233132211233132333132233132333132313311213   >>      I233231323331311331313232233132211233132333132233132333132313311212   >>