diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bdf12b2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*.o
+checker_linux
+*.swp
diff --git a/.push_swap.c.swm b/.push_swap.c.swm
new file mode 100644
index 0000000..fcb7255
Binary files /dev/null and b/.push_swap.c.swm differ
diff --git a/Makefile b/Makefile
index ecf0fda..14a6e09 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@
 #                                                                              #
 # **************************************************************************** #
 
-SRCS = push_swap.c
+SRCS = push_swap.c operations.c tools.c parsing.c
 OBJS = ${SRCS:.c=.o}
 CC = clang
 CFLAGS = -g -Wall -Wextra -Werror
diff --git a/libft b/libft
new file mode 160000
index 0000000..ca53e94
--- /dev/null
+++ b/libft
@@ -0,0 +1 @@
+Subproject commit ca53e947c847ec3b893d5df34bc8051eaf30bf73
diff --git a/operations.c b/operations.c
new file mode 100644
index 0000000..6ad3b03
--- /dev/null
+++ b/operations.c
@@ -0,0 +1,60 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   operations.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/12/07 18:36:09 by erey-bet          #+#    #+#             */
+/*   Updated: 2022/12/07 18:36:10 by erey-bet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+
+void	swap(t_stack *s, char *message)
+{
+	long	c;
+
+	c = (*s).list[0];
+	(*s).list[0] = (*s).list[1];
+	(*s).list[1] = c;
+	write(1, "s", 1);
+	write(1, message, 1);
+	write(1, "\n", 1);
+}
+
+void	push(t_stack *s_push, t_stack *s_receive, char *message)
+{
+	int		i;
+	long	push;
+
+	i = 0;
+	push = (*s_push).list[0];
+	while (++i < (*s_push).len)
+		(*s_push).list[i - 1] = (*s_push).list[i];
+	i = (*s_receive).len;
+	while (i-- > 0)
+		(*s_receive).list[i + 1] = (*s_receive).list[i];
+	(*s_receive).list[0] = push;
+	(*s_receive).len += 1;
+	(*s_push).len -= 1;
+	write(1, "p", 1);
+	write(1, message, 1);
+	write(1, "\n", 1);
+}
+
+void	rotate(t_stack *s, char *message)
+{
+	int		i;
+	long	rotate;
+
+	i = 0;
+	rotate = (*s).list[0];
+	while (++i < (*s).len)
+		(*s).list[i - 1] = (*s).list[i];
+	(*s).list[(*s).len - 1] = rotate;
+	write(1, "r", 1);
+	write(1, message, 1);
+	write(1, "\n", 1);
+}
diff --git a/parsing.c b/parsing.c
new file mode 100644
index 0000000..c79c609
--- /dev/null
+++ b/parsing.c
@@ -0,0 +1,59 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parsing.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/12/07 19:23:59 by erey-bet          #+#    #+#             */
+/*   Updated: 2022/12/07 19:24:04 by erey-bet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+
+void	choice(long *tab, int y)
+{
+	if (y == 4 || y > 5)
+		pre_push_swap(tab, y);
+	else if (y == 5)
+		push_swap_5(tab, y);
+	else if (y == 3)
+		push_swap_3(tab, y);
+	else if (y == 2)
+		if (tab[0] > tab[1])
+			write(1, "ra\n", 3);
+}
+
+int	parsing(int argc, char *argv[], long *tab)
+{
+	int		i;
+	int		y;
+	int		x;
+	char	**tmp;
+
+	i = 0;
+	y = 0;
+	while (++i < argc)
+	{
+		x = 0;
+		while (argv[i][x])
+			if (ft_strchr("\a\b\t\n\v\f\r", argv[i][x++]) != NULL)
+				argv[i][x - 1] = ' ';
+		x = 0;
+		tmp = ft_split(argv[i], ' ');
+		while (tmp[x] != NULL)
+		{
+			if (ft_atoi_check(tmp[x]))
+				tab[y++] = ft_atoi(tmp[x]);
+			else
+			{
+				write(1, "Error\n", 6);
+				return (1);
+			}
+			x++;
+		}
+	}
+	choice(tab, y);
+	return (0);
+}
diff --git a/push_swap b/push_swap
deleted file mode 100755
index 0b9d24f..0000000
Binary files a/push_swap and /dev/null differ
diff --git a/push_swap.c b/push_swap.c
index ee5c610..f885290 100644
--- a/push_swap.c
+++ b/push_swap.c
@@ -6,21 +6,18 @@
 /*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/11/23 16:48:12 by erey-bet          #+#    #+#             */
-/*   Updated: 2022/12/05 22:58:30 by erey-bet         ###   ########.fr       */
+/*   Updated: 2022/12/07 18:35:18 by erey-bet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
-#include "libft/libft.h"
 #include "push_swap.h"
 
-#include <stdio.h>
-
-void	ft_putchar(char c)
+/*void	ft_putchar(char c)
 {
 	write(1, &c, 1);
-}
+}*/
 
-void	print_stack(t_stack sa, t_stack sb)
+/*void	print_stack(t_stack sa, t_stack sb)
 {
 	write(1, "A: ", 3);
 	for (int i = 0; i < sa.len; i++)
@@ -39,182 +36,115 @@ void	print_stack(t_stack sa, t_stack sb)
 		}
 		ft_putchar('\n');
 	}
-}
-
-int	get_min(long *tab, int len)
-{
-	int	i;
-	int	index;
-	
-	i = 0;
-	index = 0;
-	while (++i < len)
-		if (tab[i] <= tab[index])
-			index = i;
-	return (index);
-}
-
-unsigned int	*get_index(long *tab, int len)
-{
-	int	i;
-	int	min;
-	unsigned int	*new;
-
-	i = -1;
-	min = tab[0];
-	new = malloc(sizeof(unsigned int) * (len + 1));
-	while (++i < len)
-	{
-		min = get_min(tab, len);
-		tab[min] = 2147483648;
-		new[min] = i;
-	}
-	return (new);
-}
-
-void	swap(t_stack *s, char *message)
-{
-	unsigned int c;
-
-	c = (*s).list[0];
-	(*s).list[0] = (*s).list[1];
-	(*s).list[1] = c;
-	write(1, "s", 1);
-	write(1, message, 1);
-	write(1, "\n", 1);
-}
-
-void	push(t_stack *s_push, t_stack *s_receive, char *message)
-{
-	int	i;
-	unsigned int	push;
-
-	i = 0;
-	push = (*s_push).list[0];
-	while (++i < (*s_push).len)
-		(*s_push).list[i - 1] = (*s_push).list[i];
-	i = (*s_receive).len;
-	while (i-- > 0)
-		(*s_receive).list[i + 1] = (*s_receive).list[i]; 
-	(*s_receive).list[0] = push;
-	(*s_receive).len += 1;
-	(*s_push).len -= 1;
-	write(1, "p", 1);
-	write(1, message, 1);
-	write(1, "\n", 1);
-}
-
-void	rotate(t_stack *s, char *message)
-{
-	int	i;
-	unsigned int	push;
-
-	i = 0;
-	push = (*s).list[0];
-	while (++i < (*s).len)
-		(*s).list[i - 1] = (*s).list[i];
-	(*s).list[(*s).len - 1] = push;
-	write(1, "r", 1);
-	write(1, message, 1);
-	write(1, "\n", 1);
-}
-
-/*void	push_number(t_stack *sa, int i)
-{
-
 }*/
 
-int	max_len_binary(t_stack s)
+/*void	print_one_stack(t_stack s)
 {
-	unsigned int	i;
-	int	x;
-	int	y;
-	int	max;
-
-	y = -1;
-	max = 1;
-	while (++y < s.len)
+	write(1, "A: ", 3);
+	for (int i = 0; i < s.len; i++)
 	{
-		i = 1;
-		x = 1;
-		while (i < s.list[y])
-		{
-			i *= 2;
-			x++;
-		}
-		if (x > max)
-			max = x;
+		ft_putchar(s.list[i] + '0');
+		write(1, ", ", 2);
+	}
+	ft_putchar('\n');
+}*/
+
+void	post_push_swap(t_stack sa, t_stack sb, int x, int sa_len)
+{
+	int	i;
+	int	y;
+
+	y = 0;
+	while (x-- > 0 && !check_sa(sa))
+	{
+		i = 0;
+		while (i < sa_len && !(check_sa(sa) && sb.len == 0))
+		{
+			if (((sa.list[0] >> y) & 1) == 0)
+				push(&sa, &sb, "b");
+			else
+				rotate(&sa, "a");
+			i++;
+		}
+		while (sb.len > 0)
+			push(&sb, &sa, "a");
+		y++;
 	}
-	return (max);
 }
 
-
-void	push_swap(long *tab, int len)
+void	pre_push_swap(long *tab, int len)
 {
-	int		i;
-	int		y;
 	int		x;
-	int		len_sa;
+	int		sa_len;
+	t_stack	sa;
+	t_stack	sb;
+
+	sa.list = get_index(tab, len);
+	if (sa.list == NULL)
+		return ;
+	sa.len = len;
+	sa_len = len;
+	sb.list = malloc(sizeof(long) * (len + 1));
+	if (sb.list == NULL)
+		return ;
+	sb.len = 0;
+	x = max_len_binary(sa);
+	post_push_swap(sa, sb, x, sa_len);
+	free(sa.list);
+	free(sb.list);
+}
+
+void	push_swap_3(long *tab, int len)
+{
+	t_stack	sa;
+
+	sa.list = get_index(tab, len);
+	sa.len = len;
+	while (!check_sa(sa))
+	{
+		if (sa.list[0] > sa.list[1])
+		{
+			rotate(&sa, "a");
+			if (sa.list[0] > sa.list[1])
+				swap(&sa, "a");
+		}
+		else
+			swap(&sa, "a");
+	}
+}
+
+void	push_swap_5(long *tab, int len)
+{
 	t_stack	sa;
 	t_stack	sb;
 
 	sa.list = get_index(tab, len);
 	sa.len = len;
-	sb.list = malloc(sizeof(unsigned int) * (len + 1));
+	sb.list = malloc(sizeof(long) * (len + 1));
+	if (sb.list == NULL)
+		return ;
 	sb.len = 0;
-	print_stack(sa, sb);
-	x = max_len_binary(sa);
-	y = 0;
-	while (x-- > 0)
+	while (sb.len != 2)
 	{
-		i = 0;
-		len_sa = sa.len;
-		while (i < len_sa)
-		{
-			if (((sa.list[0] >> y) & 1) == 0)
-			{
-				push(&sa, &sb, "b");
-				print_stack(sa, sb);
-			}
-			else
-			{
-				rotate(&sa, "a");
-				print_stack(sa, sb);
-			}
-			i++;
-		}
-		while (sb.len > 0)
-		{
-			push(&sb, &sa, "a");
-			print_stack(sa, sb);
-		}
-		y++;
+		while (get_min(sa.list, sa.len) != 0)
+			rotate(&sa, "a");
+		push(&sa, &sb, "b");
 	}
+	push_swap_3(sa.list, sa.len);
+	while (sb.len > 0)
+		push(&sb, &sa, "a");
 }
 
 int	main(int argc, char *argv[])
 {
 	long	*tab;
-	int	i;
-	int	y;
 
-	i = 0;
-	y = 0;
 	tab = malloc(sizeof(long) * (argc + 1));
+	if (tab == NULL)
+		return (1);
 	if (argc > 1)
-	{
-		while (++i < argc)
-		{
-			if(ft_atoi_check(argv[i]))
-				tab[y++] = ft_atoi(argv[i]);
-			else
-			{
-				write(1, "Error\n", 6);
-				return (1);
-			}
-		}
-		push_swap(tab, y);
-	}
-
+		if (parsing(argc, argv, tab) == 1)
+			return (1);
+	free(tab);
 	return (0);
 }
diff --git a/push_swap.h b/push_swap.h
index b21b619..8bfa827 100644
--- a/push_swap.h
+++ b/push_swap.h
@@ -15,11 +15,32 @@
 
 # include <unistd.h>
 # include <stdlib.h>
+# include "libft/libft.h"
 
 typedef struct s_stack
 {
-	unsigned int		*list;
-	int					len;
+	long		*list;
+	int			len;
 }	t_stack;
 
+// Push Swap
+void	post_push_swap(t_stack sa, t_stack sb, int x, int sa_len);
+void	pre_push_swap(long *tab, int len);
+void	push_swap_5(long *tab, int len);
+void	push_swap_3(long *tab, int len);
+
+// Operations
+void	swap(t_stack *s, char *message);
+void	push(t_stack *s_push, t_stack *s_receive, char *message);
+void	rotate(t_stack *s, char *message);
+
+// Tools
+int	get_min(long *tab, int len);
+long	*get_index(long *tab, int len);
+int	max_len_binary(t_stack s);
+int	check_sa(t_stack s);
+
+// Parsing
+int	parsing(int argc, char *argv[], long *tab);
+
 #endif
diff --git a/push_swap.o b/push_swap.o
deleted file mode 100644
index ff1edb8..0000000
Binary files a/push_swap.o and /dev/null differ
diff --git a/tools.c b/tools.c
new file mode 100644
index 0000000..0ad4d53
--- /dev/null
+++ b/tools.c
@@ -0,0 +1,86 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   tools.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/12/07 18:37:38 by erey-bet          #+#    #+#             */
+/*   Updated: 2022/12/07 18:37:39 by erey-bet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+
+int	get_min(long *tab, int len)
+{
+	int	i;
+	int	index;
+
+	i = 0;
+	index = 0;
+	while (++i < len)
+		if (tab[i] <= tab[index])
+			index = i;
+	return (index);
+}
+
+long	*get_index(long *tab, int len)
+{
+	int		i;
+	int		min;
+	long	*new;
+
+	i = -1;
+	min = tab[0];
+	new = malloc(sizeof(long) * (len + 1));
+	if (new == NULL)
+		return (NULL);
+	while (++i < len)
+	{
+		min = get_min(tab, len);
+		tab[min] = 2147483648;
+		new[min] = i;
+	}
+	return (new);
+}
+
+int	max_len_binary(t_stack s)
+{
+	long	i;
+	int		x;
+	int		y;
+	int		max;
+
+	y = -1;
+	max = 1;
+	while (++y < s.len)
+	{
+		i = 1;
+		x = 1;
+		while (i < s.list[y])
+		{
+			i *= 2;
+			x++;
+		}
+		if (x > max)
+			max = x;
+	}
+	return (max);
+}
+
+int	check_sa(t_stack s)
+{
+	int	i;
+
+	i = 0;
+	while (i < s.len - 1)
+	{
+		if (s.list[i] > s.list[i + 1])
+		{
+			return (0);
+		}
+		i++;
+	}
+	return (1);
+}