I233231323331311331313232233132211233132333132233132333132333132322331312121   >>    I23323132333131133131323223313221123313233313223313233313233313232233131212   <<    I233231323331311331313232233132211233132333132233132333132333132322331312123   >>      I233231323331311331313232233132211233132333132233132333132333132322331312122   >>