diff --git a/libft b/libft
index e697046..d49f964 160000
--- a/libft
+++ b/libft
@@ -1 +1 @@
-Subproject commit e6970465e98cdfdc3abd999e29121da8a736686e
+Subproject commit d49f9640459ae0351636e1d8da41e12264f2b518
diff --git a/srcs/checker.c b/srcs/checker.c
index a7af1e0..2998dd0 100644
--- a/srcs/checker.c
+++ b/srcs/checker.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/02/23 13:35:15 by tmaze             #+#    #+#             */
-/*   Updated: 2019/03/02 18:28:08 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/03/08 16:48:26 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -44,14 +44,14 @@ void	exec_actions(t_psdata *data)
 int		read_ops(t_psdata *data)
 {
 	t_list	*nop;
-	char	buff[5];
+	char	*buff;
 	int		ret;
 
-	ft_memset(buff, '\0', 5);
-	while ((ret = read(1, buff, 4)) > 0)
+	buff = NULL;
+	while ((ret = get_next_line(0, &buff)) > 0)
 	{
-		buff[ft_strlen(buff) - 1] = '\0';
-		if (ret > 4 || !is_op(buff) || (nop = ft_lstnew(buff, 4)) == NULL)
+		ft_printf("'%s'\n", buff);
+		if (ft_strlen(buff) > 4 || !is_op(buff) || (nop = ft_lstnew(buff, 4)) == NULL)
 		{
 			ft_putendl_fd("Error", 2);
 			return (1);
diff --git a/srcs/ps_stktools2.c b/srcs/ps_stktools2.c
index f86053a..6d2843a 100644
--- a/srcs/ps_stktools2.c
+++ b/srcs/ps_stktools2.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/02/25 12:44:08 by tmaze             #+#    #+#             */
-/*   Updated: 2019/03/03 13:59:43 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/03/08 16:25:38 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -51,6 +51,7 @@ int		get_params(t_psdata *data, int ac, char **av)
 			while (tab[j])
 				j++;
 			while (--j >= 0)
+			{
 				if (check_input(tab[j], &nb) && (new = ps_stknew(nb)) != NULL)
 					ps_stkpsh(data, 'a', new);
 				else
@@ -59,6 +60,7 @@ int		get_params(t_psdata *data, int ac, char **av)
 					ps_stkclean(data);
 					return (0);
 				}
+			}
 			ft_del_words_tables(&tab);
 		}
 	return (1);
diff --git a/srcs/push_swap.c b/srcs/push_swap.c
index f60540a..8423c7e 100644
--- a/srcs/push_swap.c
+++ b/srcs/push_swap.c
@@ -6,13 +6,82 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/03/03 11:41:49 by tmaze             #+#    #+#             */
-/*   Updated: 2019/03/06 16:24:16 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/03/08 18:02:31 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "push_swap.h"
 
-int	sort(t_psdata *data, int size)
+void	mark_groups(t_psdata *data)
+{
+	t_stack	*ptr;
+	int		inds;
+
+	ptr = data->a;
+	inds = 1;
+	while (ptr)
+	{
+		ptr->ind = inds;
+		if (ptr->next && ptr->nb > ptr->next->nb)
+			inds++;
+		ptr = ptr->next;
+	}
+}
+
+void	sort2(t_psdata *data)
+{
+	t_stack	*ptr;
+	int		inds;
+	int		inds2;
+	int		i;
+
+	ptr = data->a;
+	while (ptr && ptr->next)
+		ptr = ptr->next;
+	inds2 = ptr->ind + 1;
+	while (data->a->ind != ptr->ind)
+	{
+		inds = data->a->ind;
+		while (data->a->ind == inds)
+		{
+			ft_printf("pb\n");
+			ps_push(data, 'b');
+			if (data->size_b == 2)
+				ft_printf("sb\n");
+			if (data->size_b == 2)
+				ps_swap(data, 'b');
+			else if (data->size_b > 2)
+				ft_printf("rb\n");
+			if (data->size_b > 2)
+				ps_rot(data, 'b');
+		}
+		inds = data->a->ind;
+		while (inds == data->a->ind || data->size_b > 0)
+		{
+			if (data->a->ind != inds || (data->size_b > 0 && data->b->nb < data->a->nb))
+			{
+				ft_printf("pa\n");
+				ps_push(data, 'a');
+			}
+			data->a->ind = inds2;
+			ft_printf("ra\n");
+			ps_rot(data, 'a');
+		}
+		i = 0;
+		ptr = data->a;
+		while (ptr)
+		{
+			ptr = ptr->next;
+			i++;
+		}
+		ptr = data->a;
+		while (ptr && ptr->next)
+			ptr = ptr->next;
+		inds2 = ptr->ind + 1;
+	}
+}
+
+int		sort(t_psdata *data, int size)
 {
 	t_stack	*ptr;
 	int		i;
@@ -39,14 +108,16 @@ int	sort(t_psdata *data, int size)
 	}
 	i = 0;
 	ptr = data->a;
-	while (i < ((size % 2) ? size + 1 : size) / 2)
+	while ((i < ((size % 2) ? size + 1 : size) / 2) || (ptr->next != NULL && ptr->nb < ptr->next->nb))
 	{
 		ptr->ind = 1;
 		ptr = ptr->next;
 		i++;
+		if (ptr->next)
+		 	return (1);
 	}
 	i = 0;
-	while (ptr && i < (size - (((size % 2) ? size + 1 : size) / 2)))
+	while ((ptr && i < (size - (((size % 2) ? size + 1 : size) / 2)))/* || (ptr != NULL && ptr->next != NULL && ptr->nb < ptr->next->nb)*/)
 	{
 		ptr->ind = 2;
 		ptr = ptr->next;
@@ -95,28 +166,35 @@ int		main(int ac, char **av)
 		ptr->ind = 0;
 		ptr = ptr->next;
 	}
-	if (!sort(&data, data.size_a))
+	mark_groups(&data);
+	ptr = data.a;
+	i = 0;
+	while (ptr)
 	{
-		printf("Error\n");
-		ps_stkclean(&data);
-		return (1);
+//		ft_printf("@ind: %d nb: %d ind: %d\n", i, ptr->nb, ptr->ind);
+		ptr = ptr->next;
+		i++;
 	}
-	/* ptr = data.a; */
-	/* i = data.a->nb; */
-	/* while (ptr) */
+	sort2(&data);
+	/* if (!sort(&data, data.size_a)) */
 	/* { */
-	/* 	printf("%d\n", ptr->nb); */
-	/* 	ptr->ind = 0; */
-	/* 	if (i != ptr->nb && i > ptr->nb) */
-	/* 	{ */
-	/* 		printf("KO\n"); */
-	/* 		break ; */
-	/* 	} */
-	/* 	i = ptr->nb; */
-	/* 	ptr = ptr->next; */
+	/* 	printf("Error\n"); */
+	/* 	ps_stkclean(&data); */
+	/* 	return (1); */
 	/* } */
-	/* if (ptr == NULL) */
-	/* 	printf("OK\n"); */
-	/* ps_stkclean(&data); */
+	ptr = data.a;
+	while (ptr)
+	{
+//		ft_printf("%d\n", ptr->nb);
+		if (ptr->next && ptr->nb > ptr->next->nb)
+		{
+//			ft_printf("KO\n");
+			ps_stkclean(&data);
+			return (0);
+		}
+		ptr = ptr->next;
+	}
+//	ft_printf("OK\n");
+	ps_stkclean(&data);
 	return (0);
 }