D331232322331311331313233231323331313232233132233132333131232211   >>    D33123232233131133131323323132333131323223313223313233313123221   <<    D331232322331311331313233231323331313232233132233132333131232213   >>      D331232322331311331313233231323331313232233132233132333131232212   >>