I233231323331311331313232233132211233132333132233132333132333131322221   >>    I23323132333131133131323223313221123313233313223313233313233313132222   <<    I233231323331311331313232233132211233132333132233132333132333131322223   >>      I233231323331311331313232233132211233132333132233132333132333131322222   >>