diff --git a/Makefile b/Makefile
index d8071d0..80bd54f 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: apommier <apommier@student.42.fr>          +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2021/11/13 13:06:47 by apommier          #+#    #+#              #
-#    Updated: 2022/01/19 03:50:25 by apommier         ###   ########.fr        #
+#    Updated: 2022/01/19 05:41:28 by apommier         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -42,7 +42,7 @@ LIBFT	= ./libft
 
 ${NAME}:${OBJS} 
 		make bonus -C ${LIBFT}
-		gcc -g  ${OBJS} ${LIBFT}/libft.a
+		gcc -g ${OBJS} ${LIBFT}/libft.a
 		mv a.out push_swap
 
 bonus:${BONUS_O}
diff --git a/Utils/indexing.c b/Utils/indexing.c
index 47de8a0..d95dce0 100644
--- a/Utils/indexing.c
+++ b/Utils/indexing.c
@@ -35,3 +35,28 @@ void	lst_indexing(t_list *list)
 		save = save->next;
 	}
 }
+
+t_list	*is_double_one(t_list *lst)
+{
+	t_list	*start;
+	t_list	*swap;
+
+	start = lst;
+	swap = 0;
+	while (lst)
+	{
+		swap = lst->next;
+		while (swap)
+		{
+			if (*(int *)lst->nbr == *(int *)swap->nbr)
+			{
+				ft_putstr_fd("Error\n", 2);
+				ft_lstclear(&start, &free);
+				return (0);
+			}
+			swap = swap->next;
+		}
+		lst = lst->next;
+	}
+	return (start);
+}
diff --git a/Utils/push_swap.c b/Utils/push_swap.c
index 3ea2f45..0f29b1d 100644
--- a/Utils/push_swap.c
+++ b/Utils/push_swap.c
@@ -6,18 +6,16 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/25 23:10:37 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/18 06:08:53 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 05:53:41 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "push_swap.h"
 
-int	is_nbr(int nbrarg, char **list)
+int	is_nbr(int nbrarg, char **list, int i)
 {
-	int	i;
 	int	j;
 
-	i = 0;
 	j = 0;
 	while (--nbrarg)
 	{
@@ -29,12 +27,14 @@ int	is_nbr(int nbrarg, char **list)
 				i++;
 			if (list[j][i] == '-' || (list[j][i] == '+'))
 				i++;
-			if (list[j][i] && (list[j][i] < '0' || list[j][i] > '9'))
+			if (!list[j][i] && (list[j][i] < '0' || list[j][i] > '9'))
 				return (0);
 			while (list[j][i] && list[j][i] >= '0' && list[j][i] <= '9')
 				i++;
 			if (list[j][i] && list[j][i] != ' ')
 				return (0);
+			while (list[j][i] == ' ')
+				i++;
 		}
 	}
 	return (1);
@@ -73,27 +73,30 @@ int	push_swap(int nbrarg, char **list)
 	int		lst_size;
 
 	start = 0;
-	if (!is_nbr(nbrarg, list) || !is_double(nbrarg, list))
+	if (!is_nbr(nbrarg, list, 0) || !is_double(nbrarg, list))
 	{
 		ft_putstr_fd("Error\n", 2);
 		return (0);
 	}
 	start = set_list(--nbrarg, list);
+	lst_indexing(start);
+	start = is_double_one(start);
+	if (!start)
+		return (0);
 	lst_size = ft_lstsize(start);
 	if (lst_size == 1)
 		return (1);
-	lst_indexing(start);
 	if (lst_size == 3 || lst_size == 5)
-	{
 		sort_little(start);
-		return (1);
+	else
+	{
+		start = find_loop_index(start);
+		ft_lstclear(&start, &free);
 	}
-	start = find_loop_index(start);
-	ft_lstclear(&start, &free);
 	return (1);
 }
 
-t_list	*set_list(int nbrarg, char **srcs)
+t_list	*set_list(int nbrarg, char **src)
 {
 	int		*tmp;
 	int		i;
@@ -107,14 +110,14 @@ t_list	*set_list(int nbrarg, char **srcs)
 	while (nbrarg--)
 	{
 		i = 0;
-		while (srcs[j][i])
-		{
+		while (src[j][i])
+		{			
 			tmp = ft_calloc(sizeof(int), 1);
-			*tmp = ft_atoi(&srcs[j][i]);
+			*tmp = ft_atoi(&src[j][i]);
 			ft_lstadd_back(&swap, ft_lstnew(tmp));
-			while (srcs[j][i] == ' ')
+			while ((src[j][i] >= '0' && src[j][i] <= '9') || src[j][i] == '-')
 					i++;
-			while (srcs[j][i] && srcs[j][i] != ' ')
+			while (src[j][i] == ' ')
 				i++;
 		}
 		j++;
diff --git a/Utils/push_swap.h b/Utils/push_swap.h
index 515d243..e31af21 100644
--- a/Utils/push_swap.h
+++ b/Utils/push_swap.h
@@ -6,14 +6,13 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2021/11/25 23:15:17 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/19 03:53:31 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 06:06:31 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #ifndef PUSH_SWAP_H
 # define PUSH_SWAP_H
 
-# include <stdio.h>
 # include <unistd.h>
 # include "../libft/libft.h"
 # include "../libft/get_next_line.h"
@@ -25,10 +24,11 @@ typedef struct procest_slist
 }				t_slist;
 
 int		push_swap(int nbrarg, char **list);
-int		is_nbr(int nbrarg, char **list);
+int		is_nbr(int nbrarg, char **list, int i);
 t_list	*set_list(int nbrarg, char **list);
 void	lst_indexing(t_list *list);
 int		is_double(int nbrarg, char **list);
+t_list	*is_double_one(t_list *lst);
 t_list	*find_loop_index(t_list *list);
 int		find_loop(t_list *start, t_list *list, int setswap);
 t_list	*ft_lstnew(void *content);
diff --git a/Utils/sort_little.c b/Utils/sort_little.c
index 87b3d51..28da437 100644
--- a/Utils/sort_little.c
+++ b/Utils/sort_little.c
@@ -6,33 +6,12 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/01/18 03:31:31 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/19 03:32:05 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 06:03:44 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "push_swap.h"
 
-//t_list	*end_sort3(t_list *list, t_slist **action);
-//{
-
-//}
-
-void	printf_llist(t_list *start)
-{
-	int	i;
-
-	i = 0;
-	printf("----printf_list----\n");
-	while (start)
-	{
-		i++;
-		printf("lst%d--nbr:%d indx: %d\n", i,*(int *)start->nbr, start->index);
-		start = start->next;
-	}
-	printf("----end_print----");
-	return ;
-}
-
 void	sort_little(t_list *list)
 {
 	t_slist	*action;
diff --git a/checker_folder/checker_utils.c b/checker_folder/checker_utils.c
index 39a345e..f8f268e 100644
--- a/checker_folder/checker_utils.c
+++ b/checker_folder/checker_utils.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/01/18 02:14:22 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/19 03:42:58 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 06:10:06 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -28,5 +28,6 @@ int	do_move2(t_list **lst, t_list **lst_b, t_slist *a, t_slist **delete)
 		if (!rra_rrb(lst_b, delete, 'a'))
 			return (0);
 	}
+	s_lstclear(delete);
 	return (1);
 }
diff --git a/checker_folder/main.c b/checker_folder/main.c
index cbc0dfe..adfd526 100644
--- a/checker_folder/main.c
+++ b/checker_folder/main.c
@@ -6,7 +6,7 @@
 /*   By: apommier <apommier@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/01/17 21:29:45 by apommier          #+#    #+#             */
-/*   Updated: 2022/01/19 03:44:06 by apommier         ###   ########.fr       */
+/*   Updated: 2022/01/19 06:07:41 by apommier         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -50,7 +50,7 @@ t_slist	*verify_list(t_slist *a)
 	return (start);
 }
 
-int		do_move(t_list **lst, t_list **lst_b, t_slist *a, t_slist *delete)
+int	do_move(t_list **lst, t_list **lst_b, t_slist *a, t_slist *delete)
 {
 	if (!ft_strcmp("pa\n", a) && !pa(lst, lst_b, &delete))
 		return (0);
@@ -104,7 +104,7 @@ int	main(int argc, char **argv)
 	start_action = 0;
 	if (argc == 1)
 		return (1);
-	if (!is_nbr(argc, argv) || !is_double(argc, argv))
+	if (!is_nbr(argc, argv, 0) || !is_double(argc, argv))
 	{
 		ft_putstr_fd("Error\n", 2);
 		return (0);