diff --git a/builds/algo.o b/builds/algo.o
index 6f077cf..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 a898837..9eebf0c 100644
Binary files a/builds/algo_bubble_sort.o and b/builds/algo_bubble_sort.o differ
diff --git a/builds/print.o b/builds/print.o
index ab8e164..c3caa16 100644
Binary files a/builds/print.o and b/builds/print.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/push_swap.o b/builds/push_swap.o
index 75073ba..d6bf2bf 100644
Binary files a/builds/push_swap.o and b/builds/push_swap.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 a534d1b..6d42092 100644
Binary files a/builds/rotate.o and b/builds/rotate.o differ
diff --git a/builds/stop.o b/builds/stop.o
index 22bffca..545288c 100644
Binary files a/builds/stop.o and b/builds/stop.o differ
diff --git a/builds/swap.o b/builds/swap.o
index cdfa0da..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 9fcd482..e1443f8 100644
--- a/includes/push_swap.h
+++ b/includes/push_swap.h
@@ -23,7 +23,7 @@ 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, int i);
+t_list		*launch_algo(t_stack **a, t_stack **b, int i);
 
 /*
 **	stop.c
@@ -47,8 +47,8 @@ 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/push_swap b/push_swap
index 14c4c8c..497754f 100755
Binary files a/push_swap and b/push_swap differ
diff --git a/srcs/algo.c b/srcs/algo.c
index b25f482..b0e7a14 100644
--- a/srcs/algo.c
+++ b/srcs/algo.c
@@ -40,11 +40,9 @@ void	hugo_sort(t_stack **a, t_stack **b, t_list *solution)
 	sa(a, &solution);
 	rra(a, &solution);
 	rrb(b, &solution);
-	/*
 	rrr(a, b, &solution);
 	ra(a, &solution);
 	rb(b, &solution);
 	rr(a, b, &solution);
-	*/
 }
 
diff --git a/srcs/print.c b/srcs/print.c
index 4f30948..05d64c5 100644
--- a/srcs/print.c
+++ b/srcs/print.c
@@ -2,18 +2,15 @@
 #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 fill 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 not flag -p
 */
 void	fill_solution(t_list *solution, char *sp)
 {
@@ -55,6 +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..704b78d 100644
--- a/srcs/push.c
+++ b/srcs/push.c
@@ -18,13 +18,13 @@ void	push(t_stack **dst, t_stack **src)
 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)
 {
 	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 bed0926..3e104cd 100644
--- a/srcs/push_swap.c
+++ b/srcs/push_swap.c
@@ -36,48 +36,39 @@ t_stack	*init_stack(int ac, char **av)
 }
 
 /*
-** 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
+** 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()
+**
+** because when an action like sa() is called it desn't get stack_b as a parameter
+** so when it calls fill_solution(), this function needs an access to stack_b in
+** case of flag -p, to fill the state of the stacks
 */
-t_list	*launch_algo(t_stack *a, int flag)
+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));
+	solution = ft_lstnew(a);
+	ft_lstadd_back(&solution, ft_lstnew(b));
 	if (flag)
 		fill_solution(solution, "start");
-	hugo_sort(&a, &b, solution);
+	hugo_sort(a, b, solution);
 	//bubble_sort(&a, &b, solution);
 	return (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)
 {
-	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, flag);
-	print_result(result, flag);
-	ps_stop(NULL, result, 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..6d1c73a 100644
--- a/srcs/reverse_rotate.c
+++ b/srcs/reverse_rotate.c
@@ -22,14 +22,14 @@ void		reverse_rotate(t_stack **stack)
 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)
 {
 	reverse_rotate(b);
-	fill_solution(*lst, ft_strdup("rrb"));
+	fill_solution(*lst, "rrb");
 	return (NULL);
 }
 
@@ -37,6 +37,6 @@ 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/stop.c b/srcs/stop.c
index a38fd0b..cdde4e8 100644
--- a/srcs/stop.c
+++ b/srcs/stop.c
@@ -18,10 +18,8 @@ void	ps_error(int err)
 
 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 +29,12 @@ 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;
 }