I233231323331311331313232233132211233132333132233132333132333132313221211   >>    I23323132333131133131323223313221123313233313223313233313233313231322121   <<    I233231323331311331313232233132211233132333132233132333132333132313221213   >>      I233231323331311331313232233132211233132333132233132333132333132313221212   >>