diff --git a/Makefile b/Makefile
index 45c6f6c..d0c0d02 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@
 
 CC = gcc
 
-OPT = -Wall -g  -O3 -DDEBUG_LEVEL=0 -DMUST_ABORT=0
+OPT = -Wall -g -pg  -DDEBUG_LEVEL=0 -DMUST_ABORT=0
 
 libbubulles.a:	bubulles.o edges.o
 	ar r $@ $?
diff --git a/bubulles.h b/bubulles.h
index 361585a..bfda0e1 100644
--- a/bubulles.h
+++ b/bubulles.h
@@ -4,7 +4,7 @@
 
 /* --------------------------------------------------------------------- */
 
-#define LIBBB_VERSION		62
+#define LIBBB_VERSION		63
 
 #define SZ_BUBULLE_TEXT		81		/* arbitrary value */
 
diff --git a/tbb.c b/tbb.c
index f6b8aec..51ef39f 100644
--- a/tbb.c
+++ b/tbb.c
@@ -6,7 +6,7 @@
 
 #include  <stdio.h>
 #include  <stdlib.h>
-
+#include  <unistd.h>
 #include  "bubulles.h"
 #include  "edges.h"
 
@@ -27,19 +27,20 @@ print_edgelist_desc(list, 0);
 foo = push_an_edge(list, 13, 37);
 fprintf(stderr, "    push edge -> %d\n", foo);
 foo = push_an_edge(list, 24, 36);
+fprintf(stderr, "    push edge -> %d\n", foo);
 
-foo = print_the_edges(list, 0);
+foo = print_the_edges(stdout, list, 0);
 
 for (idx=0; idx<k; idx++) {
 	e0 = idx*7;	e1 = 5-idx;
 	foo = push_an_edge(list, e0, e1);
 	if (foo) {
-		fprintf(stderr, "push (%d, %d) -> %d\n", e0, e1, foo);
+		fprintf(stderr, "push %d (%d, %d) -> %d\n", idx, e0, e1, foo);
 		break;
 		}
 	}
 
-foo = print_the_edges(list, 0);
+foo = print_the_edges(stdout, list, 0);		puts("");
 
 foo = free_edgelist(list, 0);
 fprintf(stderr, "    free list -> %d\n", foo);
@@ -59,7 +60,7 @@ int		e0, e1;
 
 fprintf(stderr, "============== %s %7d ===========\n", __func__, k);
 
-list = alloc_edgelist("BIG!", k, 0);
+list = alloc_edgelist("gloubigoulba", k, 0);
 if (NULL == list) {
 	fprintf(stderr, "%s: epic fail\n", __func__);
 	abort();
@@ -75,7 +76,7 @@ for (idx=0; idx<k; idx++) {
 
 print_edgelist_desc(list, 0);
 
-foo = print_the_edges(list, 0);
+foo = print_the_edges(stdout, list, 0);		puts("");
 
 foo = free_edgelist(list, 0);
 fprintf(stderr, "    %s: free list -> %d\n", __func__, foo);
@@ -189,6 +190,8 @@ fprintf(stderr, "*** Bubulles Testing  %s %s\n\n", __DATE__, __TIME__);
 
 bubulles_version(0);
 
+srand(getpid());		/*	INIT RANDOM	*/
+
 #if (0)
 test_alloc_free(5);
 test_push_pop(20000);
@@ -197,9 +200,9 @@ foo = test_peek_poke(5000);
 fprintf(stderr, "test peek/poke -> %d\n", foo);
 #endif
 
-foo = essai_des_edges_A(25);
-fprintf(stderr, "test A des edges -> %d\n", foo);
-foo = essai_des_edges_B(10000);
+// XXX foo = essai_des_edges_A(25);
+// XXX fprintf(stderr, "test A des edges -> %d\n", foo);
+foo = essai_des_edges_B(5000);
 fprintf(stderr, "test B des edges -> %d\n", foo);
 
 return 0;