diff --git a/Makefile b/Makefile
index bf9c1f2..7399e93 100644
--- a/Makefile
+++ b/Makefile
@@ -73,7 +73,7 @@ leaks: CFLAGS += -fsanitize=address
 leaks: clean $(NAME)
 
 valgrind: clean $(NAME)
-	valgrind --leak-check=full --show-leak-kinds=all ./$(NAME)
+	valgrind --leak-check=full --show-leak-kinds=all ./$(NAME) -p 4 67 9 76 98 7 1
 
 .PHONY: all clean fclean re gcc
 
diff --git a/builds/algo.o b/builds/algo.o
index 15f25ba..ef8b73d 100644
Binary files a/builds/algo.o and b/builds/algo.o differ
diff --git a/builds/algo_bubble_sort.o b/builds/algo_bubble_sort.o
index 2a7786b..9eebf0c 100644
Binary files a/builds/algo_bubble_sort.o and b/builds/algo_bubble_sort.o differ
diff --git a/builds/push.o b/builds/push.o
index 0e77e67..36bb4f9 100644
Binary files a/builds/push.o and b/builds/push.o differ
diff --git a/builds/reverse_rotate.o b/builds/reverse_rotate.o
index b3f6f9e..9f60562 100644
Binary files a/builds/reverse_rotate.o and b/builds/reverse_rotate.o differ
diff --git a/builds/rotate.o b/builds/rotate.o
index b73699f..6d42092 100644
Binary files a/builds/rotate.o and b/builds/rotate.o differ
diff --git a/builds/swap.o b/builds/swap.o
index 7673fb8..4e20baa 100644
Binary files a/builds/swap.o and b/builds/swap.o differ
diff --git a/includes/push_swap.h b/includes/push_swap.h
index 619c1a1..e1443f8 100644
--- a/includes/push_swap.h
+++ b/includes/push_swap.h
@@ -23,11 +23,12 @@ int			bubble_sort(t_stack **a, t_stack **b, t_list *solution);
 int			check_flag(int *ac, char ***av);
 void		is_valid(int ac, char **av);
 t_stack		*init_stack(int ac, char **av);
-t_list		*launch_algo(t_stack *stack);
+t_list		*launch_algo(t_stack **a, t_stack **b, int i);
 
 /*
 **	stop.c
 */
+void		print_test(t_list *lst, char *s);
 void		ps_usage(void);
 void		ps_error(int i);
 void		ps_stop(t_stack *stack, t_list *lst, int i);
@@ -40,15 +41,14 @@ void		hugo_sort(t_stack **a, t_stack **b, t_list *lst);
 /*
 ** print.c
 */
-void		print_test(t_list *lst, char *s);
 void		fill_solution(t_list *lst, char *s);
 void		print_result(t_list *lst, int i);
 
 /*
 ** swap
 */
-t_list		*sa(t_stack **stack, t_list **lst);
-t_list		*sb(t_stack **stack, t_list **lst);
+t_list		*sa(t_stack **a, t_list **lst);
+t_list		*sb(t_stack **b, t_list **lst);
 t_list		*ss(t_stack **a, t_stack **b, t_list **lst);
 
 /*
diff --git a/srcs/algo.c b/srcs/algo.c
index efd08bc..f0411b6 100644
--- a/srcs/algo.c
+++ b/srcs/algo.c
@@ -1,12 +1,7 @@
-
 #include "push_swap.h"
 
 void	hugo_sort(t_stack **a, t_stack **b, t_list *solution)
 {
-	(void)b;
-
-	pb(b, a, &solution);
-	/*
 	sa(a, &solution);
 	pb(b, a, &solution);
 	pb(b, a, &solution);
@@ -23,6 +18,4 @@ void	hugo_sort(t_stack **a, t_stack **b, t_list *solution)
 	ra(a, &solution);
 	rb(b, &solution);
 	rr(a, b, &solution);
-	*/
 }
-
diff --git a/srcs/algo_bubble_sort.c b/srcs/algo_bubble_sort.c
index c485215..01812fc 100644
--- a/srcs/algo_bubble_sort.c
+++ b/srcs/algo_bubble_sort.c
@@ -12,7 +12,6 @@
 
 #include "push_swap.h"
 
-/*
 static int	search_smaller(t_stack *stack, int *smaller)
 {
 	int		i;
@@ -57,4 +56,3 @@ int			bubble_sort(t_stack **a, t_stack **b, t_list *solution)
 		pa(a, b, &solution);
 	return (1);
 }
-*/
diff --git a/srcs/print.c b/srcs/print.c
index 5753cbe..1144421 100644
--- a/srcs/print.c
+++ b/srcs/print.c
@@ -1,42 +1,34 @@
-
 #include "push_swap.h"
 
 /*
-** this function is called at each action (pushes, swapes, rotates)
-** pointers to the stacks a and b are stored into two first element of list solution (because both lists a and b are not available from every functions, like sa() doesn't receive b in argument)
-** the function access the list after the two first elements to fill a new element with three things :
-** - the name of the action (sa, sp, rra, etc)
-** - the stack a
-** - the stack b
-** like this :
+** this function is called by actions like sa()
+** it fills a new element on the chained list like this :
 **   name!a: nb nb nb nb nb!b: nb nb nb
-** "!" are used to split, it will be turn into :
+**
+** it will later be printed like this ("!" is the char to split) :
 **   name
 **        a: nb nb nb nb nb
 **        b: nb nb nb
+**
+** or only "name" if no flag -p
 */
 void	fill_solution(t_list *solution, char *sp)
 {
-	t_stack	**tmp1;
-	t_stack	**tmp2;
 	t_stack	*a;
 	t_stack	*b;
 	char	*stack;
 
-	tmp1 = solution->content;
-	tmp2 = solution->next->content;
-	a = *tmp1;
-	b = *tmp2;
-	stack = ft_strdup(sp);
-	stack = ft_strjoinfree(stack, ft_strdup("!a:"));
-	while(a != NULL)
+	a = *(t_stack **)(solution->content);
+	b = *(t_stack **)(solution->next->content);
+	stack = ft_strjoinfree(ft_strdup(sp), ft_strdup("!a:"));
+	while (a != NULL)
 	{
 		stack = ft_strjoinfree(stack, ft_strdup(" "));
 		stack = ft_strjoinfree(stack, ft_itoa(a->n));
 		a = a->next;
 	}
 	stack = ft_strjoinfree(stack, ft_strdup("!b:"));
-	while(b)
+	while (b != NULL)
 	{
 		stack = ft_strjoinfree(stack, ft_strdup(" "));
 		stack = ft_strjoinfree(stack, ft_itoa(b->n));
@@ -50,8 +42,6 @@ void	print_result(t_list *result, int flag)
 	char	**part;
 
 	result = result->next->next;
-	if (!flag)
-		result = result->next;
 	while (result)
 	{
 		part = ft_split(result->content, '!');
@@ -62,6 +52,9 @@ void	print_result(t_list *result, int flag)
 			ft_printf("     %s\n", part[2]);
 		}
 		result = result->next;
+		free(part[0]);
+		free(part[1]);
+		free(part[2]);
 		free(part);
 	}
 }
diff --git a/srcs/push.c b/srcs/push.c
index e6461cb..c6a2a1b 100644
--- a/srcs/push.c
+++ b/srcs/push.c
@@ -1,4 +1,3 @@
-
 #include "push_swap.h"
 
 void	push(t_stack **dst, t_stack **src)
@@ -15,16 +14,16 @@ void	push(t_stack **dst, t_stack **src)
 	*dst = tmp1;
 }
 
-t_list		*pa(t_stack **a, t_stack **b, t_list **solution)
+t_list	*pa(t_stack **a, t_stack **b, t_list **solution)
 {
 	push(a, b);
-	fill_solution(*solution, ft_strdup("pa"));
+	fill_solution(*solution, "pa");
 	return (NULL);
 }
 
-t_list		*pb(t_stack **b, t_stack **a, t_list **solution)
+t_list	*pb(t_stack **b, t_stack **a, t_list **solution)
 {
 	push(b, a);
-	fill_solution(*solution, ft_strdup("pb"));
+	fill_solution(*solution, "pb");
 	return (NULL);
 }
diff --git a/srcs/push_swap.c b/srcs/push_swap.c
index a06832c..447c0b4 100644
--- a/srcs/push_swap.c
+++ b/srcs/push_swap.c
@@ -1,35 +1,22 @@
-
 #include "push_swap.h"
 
-/*
-** this function check errors in the arguments
-** like, is there arguments, and are they a valid list without equals values
-** if there are no arguments it calls the stop function with value 1 to print usage
-*/
+// check more error
 void	is_valid(int ac, char **av)
 {
 	if (ac < 2)
 		ps_stop(NULL, NULL, 1);
 	(void)av;
-	// check more error
 }
 
-/*
-** this function check if there are flags (currently only one flag) :
-** -p to print the evolution of the list while the sorting is done
-*/
-int		check_flag(int *ac, char ***av)
+int	check_flag(int *ac, char ***av)
 {
 	if (ft_strcmp((*av)[1], "-p") != 0)
 		return (0);
-	(*av)++;;
+	(*av)++;
 	(*ac)--;
 	return (1);
 }
 
-/*
-** create the stack for list a, as a linked list, and fill it with the values given in arguments argv
-*/
 t_stack	*init_stack(int ac, char **av)
 {
 	t_stack		*start;
@@ -38,7 +25,8 @@ t_stack	*init_stack(int ac, char **av)
 	tmp = NULL;
 	while (--ac)
 	{
-		if (!(start = ft_calloc(1, sizeof(t_stack))))
+		start = ft_calloc(1, sizeof(t_stack));
+		if (!start)
 			ps_stop(NULL, NULL, 2);
 		start->n = ft_atoi(av[ac]);
 		start->next = tmp;
@@ -47,48 +35,34 @@ t_stack	*init_stack(int ac, char **av)
 	return (start);
 }
 
-/*
-** this function creates the stack b and the list solution
-** then it init the list solution with :
-** - first element : pointer to stack a
-** - secnd element : pointer to stack b
-** - third element : initial values of stack a (in case of flag -p)
-** then it calls the sorting algorithm
-** then it calls ps_stop() to free everything that needs to be freed
-*/
-t_list	*launch_algo(t_stack *a)
+// the chained list "solution" is created with specials first two elements :
+// they are pointers to stack a and b, so it can be accessed by fill_solution()
+t_list	*launch_algo(t_stack **a, t_stack **b, int flag)
 {
-	t_stack		*b;
 	t_list		*solution;
 
-	b = NULL;
-	solution = ft_lstnew(&a);
-	ft_lstadd_back(&solution, ft_lstnew(&b));
-	fill_solution(solution, ft_strdup("start"));
-	hugo_sort(&a, &b, solution);
-	//bubble_sort(&a, &b, solution);
+	solution = ft_lstnew(a);
+	ft_lstadd_back(&solution, ft_lstnew(b));
+	if (flag)
+		fill_solution(solution, "start");
+	hugo_sort(a, b, solution);
 	return (solution);
 }
+// bubble_sort(&a, &b, solution);
 
-/*
-** this programme will sort a list
-** this function first check the validity of the arguments
-** then it checks for flags (currently only -p)
-** then it parse the list into a linked list
-** then it calls the sorting algorithm (it actually calls a launch function that will execute some actions and calls the sorting algorithm)
-** and finally it frees everything and leaves
-*/
-int		main(int ac, char **av)
+int	main(int ac, char **av)
 {
-	t_stack		*stack;
-	t_list		*result;
+	t_stack		*a;
+	t_stack		*b;
+	t_list		*solution;
 	int			flag;
 
 	is_valid(ac, av);
 	flag = check_flag(&ac, &av);
-	stack = init_stack(ac, av);
-	result = launch_algo(stack);
-	print_result(result, flag);
-	ps_stop(NULL, result, 0);
-	return(0);
+	a = init_stack(ac, av);
+	b = NULL;
+	solution = launch_algo(&a, &b, flag);
+	print_result(solution, flag);
+	ps_stop(NULL, solution, 0);
+	return (0);
 }
diff --git a/srcs/reverse_rotate.c b/srcs/reverse_rotate.c
index 60d4fcd..57a61bb 100644
--- a/srcs/reverse_rotate.c
+++ b/srcs/reverse_rotate.c
@@ -1,7 +1,6 @@
-
 #include "push_swap.h"
 
-void		reverse_rotate(t_stack **stack)
+void	reverse_rotate(t_stack **stack)
 {
 	t_stack		*tmp;
 	t_stack		*before;
@@ -19,24 +18,24 @@ void		reverse_rotate(t_stack **stack)
 	before->next = NULL;
 }
 
-t_list		*rra(t_stack **a, t_list **lst)
+t_list	*rra(t_stack **a, t_list **lst)
 {
 	reverse_rotate(a);
-	fill_solution(*lst, ft_strdup("rra"));
+	fill_solution(*lst, "rra");
 	return (NULL);
 }
 
-t_list		*rrb(t_stack **b, t_list **lst)
+t_list	*rrb(t_stack **b, t_list **lst)
 {
 	reverse_rotate(b);
-	fill_solution(*lst, ft_strdup("rrb"));
+	fill_solution(*lst, "rrb");
 	return (NULL);
 }
 
-t_list		*rrr(t_stack **a, t_stack **b, t_list **lst)
+t_list	*rrr(t_stack **a, t_stack **b, t_list **lst)
 {
 	reverse_rotate(a);
 	reverse_rotate(b);
-	fill_solution(*lst, ft_strdup("rrr"));
+	fill_solution(*lst, "rrr");
 	return (NULL);
 }
diff --git a/srcs/rotate.c b/srcs/rotate.c
index 68b9c32..9988136 100644
--- a/srcs/rotate.c
+++ b/srcs/rotate.c
@@ -1,7 +1,6 @@
-
 #include "push_swap.h"
 
-void		rotate(t_stack **stack)
+void	rotate(t_stack **stack)
 {
 	t_stack		*tmp;
 	t_stack		*first;
@@ -17,25 +16,24 @@ void		rotate(t_stack **stack)
 	first->next = NULL;
 }
 
-t_list		*ra(t_stack **a, t_list **lst)
+t_list	*ra(t_stack **a, t_list **lst)
 {
 	rotate(a);
-	fill_solution(*lst, ft_strdup("ra"));
+	fill_solution(*lst, "ra");
 	return (NULL);
 }
 
-t_list		*rb(t_stack **b, t_list **lst)
+t_list	*rb(t_stack **b, t_list **lst)
 {
 	rotate(b);
-	fill_solution(*lst, ft_strdup("rb"));
+	fill_solution(*lst, "rb");
 	return (NULL);
 }
 
-t_list		*rr(t_stack **a, t_stack **b, t_list **lst)
+t_list	*rr(t_stack **a, t_stack **b, t_list **lst)
 {
 	rotate(a);
 	rotate(b);
-	fill_solution(*lst, ft_strdup("rr"));
+	fill_solution(*lst, "rr");
 	return (NULL);
 }
-
diff --git a/srcs/stop.c b/srcs/stop.c
index 6b9105e..e8dafe2 100644
--- a/srcs/stop.c
+++ b/srcs/stop.c
@@ -1,4 +1,3 @@
-
 #include "push_swap.h"
 
 void	ps_usage(void)
@@ -12,16 +11,14 @@ void	ps_error(int err)
 	if (err == 1)
 		ps_usage();
 	if (err == 2)
-		ft_printf("error\n");	
+		ft_printf("error\n");
 	exit(0);
 }
 
 void	ps_stop(t_stack *stack, t_list *lst, int err)
 {
-	/*
 	t_stack	**a;
 	t_stack	**b;
-	t_list	*solution;
 
 	if (stack)
 		ft_lstclear((t_list **)&stack, NULL);
@@ -31,48 +28,12 @@ void	ps_stop(t_stack *stack, t_list *lst, int err)
 		b = lst->next->content;
 		ft_lstclear((t_list **)a, NULL);
 		ft_lstclear((t_list **)b, NULL);
+		lst->content = NULL;
+		lst->next->content = NULL;
 		ft_lstclear(&lst, free);
 	}
-	(void)solution;
-	*/
-
-/*
-	t_list *tmp;
-	t_stack **aa;
-	t_stack **bb;
-	t_stack *a;
-	t_stack *b;
-
-	aa = lst->content;
-	a = *aa;
-	bb = lst->next->content;
-	b = *bb;
-//	ft_putnbrendl(a->n);
-//	ft_putnbrendl(b->n);
-
-	tmp = lst;
-	lst = lst->next;
-	free(tmp);
-
-	tmp = lst;
-	lst = lst->next;
-	free(tmp);
-
-	while (lst)
-	{
-		tmp = lst->next;
-		free(lst->content);
-		free(lst);
-		lst = tmp;
-	}
-	(void)a;
-	(void)b;
-*/
-
 	if (err < 0)
 		return ;
 	else if (err > 0)
 		ps_error(err);
-	(void)stack;
-	(void)lst;
 }
diff --git a/srcs/swap.c b/srcs/swap.c
index 2bac144..9fd4048 100644
--- a/srcs/swap.c
+++ b/srcs/swap.c
@@ -1,4 +1,3 @@
-
 #include "push_swap.h"
 
 void	swap(t_stack **stack)
@@ -13,24 +12,24 @@ void	swap(t_stack **stack)
 	(*stack)->next = tmp;
 }
 
-t_list		*sa(t_stack **a, t_list **solution)
+t_list	*sa(t_stack **a, t_list **solution)
 {
 	swap(a);
-	fill_solution(*solution, ft_strdup("sa"));
+	fill_solution(*solution, "sa");
 	return (NULL);
 }
 
-t_list		*sb(t_stack **b, t_list **solution)
+t_list	*sb(t_stack **b, t_list **solution)
 {
 	swap(b);
-	fill_solution(*solution, ft_strdup("sb"));
+	fill_solution(*solution, "sb");
 	return (NULL);
 }
 
-t_list		*ss(t_stack **a, t_stack **b, t_list **solution)
+t_list	*ss(t_stack **a, t_stack **b, t_list **solution)
 {
 	swap(a);
 	swap(b);
-	fill_solution(*solution, ft_strdup("sb"));
+	fill_solution(*solution, "sb");
 	return (NULL);
 }