diff --git a/program_to_test/headers/push_swap.h b/program_to_test/headers/push_swap.h
index 027a5f3..2ba240b 100644
--- a/program_to_test/headers/push_swap.h
+++ b/program_to_test/headers/push_swap.h
@@ -6,7 +6,7 @@
 /*   By: umeneses <umeneses@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/05/08 15:23:33 by umeneses          #+#    #+#             */
-/*   Updated: 2024/06/18 16:38:14 by umeneses         ###   ########.fr       */
+/*   Updated: 2024/06/19 15:07:14 by umeneses         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -68,7 +68,8 @@ t_stack	*ft_sort_two_nbrs(t_stack **stack);
 t_stack	*ft_sort_three_nbrs(t_stack **stack);
 /* sorting functions if list has until 3 numbers */
 
-void	ft_sort_four_or_more_nbrs(t_stack **stack_a, t_stack **stack_b);
+void	ft_sort_four_nbrs(t_stack **stack_a, t_stack **stack_b);
+void	ft_sort_five_or_more_nbr(t_stack **stack_a, t_stack **stack_b);
 void	ft_push_b_all_but_three(t_stack **stack_a, t_stack **stack_b);
 int		ft_lst_get_target(t_stack **stack_a, int b_end_pos,
 			int target_end_pos, int target_pos);
diff --git a/program_to_test/src/ft_do_sort.c b/program_to_test/src/ft_do_sort.c
index 630cfce..546a387 100644
--- a/program_to_test/src/ft_do_sort.c
+++ b/program_to_test/src/ft_do_sort.c
@@ -6,7 +6,7 @@
 /*   By: umeneses <umeneses@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/06 18:46:55 by umeneses          #+#    #+#             */
-/*   Updated: 2024/06/18 18:12:19 by umeneses         ###   ########.fr       */
+/*   Updated: 2024/06/19 15:07:03 by umeneses         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -23,10 +23,16 @@ void	ft_do_sort(t_stack **stack_a, t_stack **stack_b)
 			ft_sort_two_nbrs(stack_a);
 		else if (stack_size == 3)
 			ft_sort_three_nbrs(stack_a);
-		else
+		else if (stack_size == 4)
+			ft_sort_four_nbrs(stack_a, stack_b);
+		else if (stack_size >= 5)
 		{
-			ft_sort_four_or_more_nbrs(stack_a, stack_b);
+			ft_sort_five_or_more_nbr(stack_a, stack_b);
 		}
+		// else
+		// {
+		// 	ft_sort_five_or_more_nbr(stack_a, stack_b);
+		// }
 	}
 }
 
diff --git a/program_to_test/src/ft_swap.c b/program_to_test/src/ft_swap.c
index 6e8a439..e13bdef 100644
--- a/program_to_test/src/ft_swap.c
+++ b/program_to_test/src/ft_swap.c
@@ -6,7 +6,7 @@
 /*   By: umeneses <umeneses@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/05/13 14:49:58 by umeneses          #+#    #+#             */
-/*   Updated: 2024/05/22 15:35:10 by umeneses         ###   ########.fr       */
+/*   Updated: 2024/06/19 14:37:01 by umeneses         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -14,13 +14,23 @@
 
 void	ft_swap(t_stack **stack)
 {
-	int	temp;
+	// int	temp;
 
-	if (*stack == NULL || (*stack)->next == NULL)
+	// if (NULL == stack || NULL == (*stack))
+	// 	return ;
+	// temp = (*stack)->nbr;
+	// (*stack)->nbr = (*stack)->next->nbr;
+	// (*stack)->next->nbr = temp;
+
+	if (NULL == stack || NULL == (*stack))
 		return ;
-	temp = (*stack)->nbr;
-	(*stack)->nbr = (*stack)->next->nbr;
-	(*stack)->next->nbr = temp;
+	(*stack) = (*stack)->next;
+	(*stack)->prev->prev = (*stack);
+	(*stack)->prev->next = (*stack)->next;
+	if ((*stack)->next)
+		(*stack)->next->prev = (*stack)->prev;
+	(*stack)->next = (*stack)->prev;
+	(*stack)->prev = NULL;
 }
 
 void	ft_swap_ab(t_stack **stack_a, t_stack **stack_b)