diff --git a/Makefile b/Makefile
index 6adb9ad..7dba4a3 100644
--- a/Makefile
+++ b/Makefile
@@ -12,9 +12,9 @@ STACK_UTILS = push.c rev_rotate.c rotate.c stack_add.c stack_remove.c swap.c
 
 ALGO_SORT = medium_algo.c
 
-MEDIUM_ALGO = utils_medium.c utils_struct_tab.c utils_medium_two.c
+MEDIUM_ALGO = utils_medium.c utils_struct_tab.c utils_medium_two.c sort_utils.c sort_utils_two.c
 
-ALGO_UTILS = check_order.c compare_value.c stack_len.c
+ALGO_UTILS = check_order.c compare_value.c
 
 ALL_FILES = $(SRC) $(STACK_UTILS_DIR)/$(STACK_UTILS) $(ALGO_DIR)/$(ALGO_SORT) \
 			$(ALGO_DIR)/$(MEDIUM_DIR)/$(MEDIUM_ALGO) $(ALGO_UTILS_DIR)/$(ALGO_UTILS)
diff --git a/algorithms/medium_algo.c b/algorithms/medium_algo.c
index 44e9bcc..3b1484f 100644
--- a/algorithms/medium_algo.c
+++ b/algorithms/medium_algo.c
@@ -11,61 +11,103 @@
 /* ************************************************************************** */
 
 #include "push_swap.h"
+#include <stdlib.h>
 
-int	path_to_end(t_stacks *piles, int max_range, int range)
+int	path_to_end(t_stacks *piles, int max_range, int range, char c)
 {
 	t_stack *tmp;
 	int		i;
 	int		first_pass;
 
-	tmp = piles->a;
+	if (c == 'a')
+		tmp = piles->a;
+	else
+		tmp = piles->b;
 	tmp = tmp->previous;
 	i = 0;
-	first_pass = 1
+	first_pass = 1;
 	while (first_pass || tmp != piles->a->previous)
 	{
 		first_pass = 0;
 		if (in_range(tmp->value, max_range, range))
-			tmp = piles->a->previous;
+			tmp = piles->a;
 		tmp = tmp->previous;
 		i++;
 	}
 	return (i);
 }
 
-int	path_to_start(t_stacks *piles, int max_range, int range)
+int	path_to_start(t_stacks *piles, int max_range, int range, char c)
 {
 	t_stack *tmp;
 	int		i;
 	int		first_pass;
 
-	tmp = piles ->a;
+	if (c == 'a')
+		tmp = piles->a;
+	else
+		tmp = piles->b;
 	i = 0;
 	first_pass = 1;
 	while (first_pass || tmp != piles->a)
 	{
 		first_pass = 0;
 		if (in_range(tmp->value, max_range, range))
-			tmp = piles->a;
+		{
+			tmp = piles->a->previous;
+		}
 		tmp = tmp->next;
 		i++;
 	}
 	return (i);
 }
 
-int	wich_path(t_stacks *piles, int max_range, int range)
+int	wich_path(t_stacks *piles, int max_range, int range, char c)
 {
 	int	path_start;
 	int	path_end;
 
-	path_start = path_to_start(piles, max_range, range);
-	path_end = path_to_end(piles, max_range, range);
+	path_start = path_to_start(piles, max_range, range, c);
+	path_end = path_to_end(piles, max_range, range, c);
 	if (path_start < path_end)
 		return (1);
 	return (0);
 }
 
-void	bucket_algo(void)
+int	stack_len(t_stack *stack)
 {
+	t_stack	*first;
+	int		i;
+
+	first = stack;
+	i = 1;
+	while (first->next != stack)
+	{
+		first = first->next;
+		i++;
+	}
+	return (i);
+}
+
+void	bucket_algo(t_stacks *piles, t_tab *preset, int range)
+{
+	t_tab	*tmp;
+
+	tmp = preset;
+	while (preset)
+	{
+		push_range_to_b(piles, preset, range);
+		if (preset->next)
+			tmp = preset->next;
+		else
+			tmp = NULL;
+		if (preset)
+			free(preset);
+		preset = tmp;
+	}
+	while (piles->b)
+		pa(piles);
+	print_all_stack(piles->a, piles->a, 'A');
+	print_all_stack(piles->b, piles->b, 'B');
 	return ;
 }
diff --git a/algorithms/medium_utils/sort_utils.c b/algorithms/medium_utils/sort_utils.c
index 91b1ab1..5dafb47 100644
--- a/algorithms/medium_utils/sort_utils.c
+++ b/algorithms/medium_utils/sort_utils.c
@@ -14,23 +14,25 @@
 
 void	push_range_to_b(t_stacks *piles, t_tab *one_preset, int range)
 {
-	t_stack	*a;
-	t_stack	*b;
-
-	a = piles->a;
-	b = piles->b;
 	while (one_preset->nb_in > 0)
 	{
 		if (wich_path(piles, one_preset->max_range, range, 'a'))
 		{
-			while (!in_range(a->value))
+			while (!in_range(piles->a->value, one_preset->max_range, range))
 				ra(piles);
 		}
 		else
-			while (!in_range(a->value))
+		{
+			while (!in_range(piles->a->value, one_preset->max_range, range))
+			{
 				rra(piles);
-		pb(piles);		
+			}
+		}
+		sort_little_pile(piles);
+		one_preset->nb_in--;
 	}
+	print_all_stack(piles->a, piles->a, 'A');
+	print_all_stack(piles->b, piles->b, 'B');
 }
 
 int	sort_path(t_stacks *piles, int value)
@@ -39,6 +41,8 @@ int	sort_path(t_stacks *piles, int value)
 	int	end_path;
 
 	start_path = number_move_reverse(piles, value, 's');
+	if (start_path == 0)
+		return (1);
 	end_path = number_move_reverse(piles, value, 'e');
 	if (start_path < end_path)
 		return (1);
@@ -54,7 +58,7 @@ int	number_move_reverse(t_stacks *piles, int value, char start_end)
 	tmp = piles->b;
 	if (start_end  == 's')
 	{
-		while(tmp->value > value)
+		while(tmp->value < value)
 		{
 			tmp = tmp->next;
 			i++;
@@ -63,7 +67,7 @@ int	number_move_reverse(t_stacks *piles, int value, char start_end)
 	else
 	{
 		tmp = tmp->previous;
-		while(tmp->value < value)
+		while(tmp->value > value)
 		{
 			tmp = tmp->previous;
 			i++;
@@ -74,9 +78,6 @@ int	number_move_reverse(t_stacks *piles, int value, char start_end)
 
 void	sort_little_pile(t_stacks *piles)
 {
-	int	i;
-
-	i = 0;
 	if (!piles->b)
 	{
 		pb(piles);
@@ -89,5 +90,7 @@ void	sort_little_pile(t_stacks *piles)
 		return ;
 	}
 	if (sort_path(piles, piles->a->value))
-		//you stop here
+		sort_from_left(piles);
+	else
+		sort_from_right(piles);
 }
diff --git a/algorithms/medium_utils/sort_utils_two.c b/algorithms/medium_utils/sort_utils_two.c
new file mode 100644
index 0000000..f21df33
--- /dev/null
+++ b/algorithms/medium_utils/sort_utils_two.c
@@ -0,0 +1,49 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   sort_utils_two.c                                   :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: mteriier <mteriier@student.42lyon.fr>      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2026/01/06 07:52:36 by mteriier          #+#    #+#             */
+/*   Updated: 2026/01/06 07:52:38 by mteriier         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+
+void	sort_from_left(t_stacks *piles)
+{
+	int	i;
+
+    i = 0;
+	while (piles->a->value > piles->b->value)
+	{
+		rb(piles);
+		i++;
+	}
+	pb(piles);
+	while (i > 0)
+    {
+		rrb(piles);
+        i--;
+    }
+}
+
+void	sort_from_right(t_stacks *piles)
+{
+	int	i;
+
+	i = 0;
+	while (piles->a->value < piles->b->previous->value)
+	{
+		rrb(piles);
+		i++;
+	}
+	pb(piles);
+	while (i >= 0)
+    {
+		rb(piles);
+        i--;
+    }
+}
diff --git a/push_swap b/push_swap
new file mode 100755
index 0000000..a863f9d
Binary files /dev/null and b/push_swap differ
diff --git a/push_swap.h b/push_swap.h
index f636297..75c7d55 100644
--- a/push_swap.h
+++ b/push_swap.h
@@ -73,9 +73,16 @@ t_tab		*free_tab(t_tab **first);
 t_tab		*get_next_tab(t_stack *first, t_tab *tab, int range);
 t_tab		*init_first_tab(t_stack *first, int range);
 t_tab		*allocate_tab(int range_max, int nb);
-int			wich_path(t_stacks *piles, int max_range, int range);
-int			path_to_start(t_stacks *piles, int max_range, int range);
-int			path_to_end(t_stacks *piles, int max_range, int range);
+int			wich_path(t_stacks *piles, int max_range, int range, char c);
+int			path_to_start(t_stacks *piles, int max_range, int range, char c);
+int			path_to_end(t_stacks *piles, int max_range, int range, char c);
+void		bucket_algo(t_stacks *piles, t_tab *preset, int range);
+void		push_range_to_b(t_stacks *piles, t_tab *one_preset, int range);
+int			sort_path(t_stacks *piles, int value);
+int			number_move_reverse(t_stacks *piles, int value, char start_end);
+void		sort_little_pile(t_stacks *piles);
+void		sort_from_left(t_stacks *piles);
+void		sort_from_right(t_stacks *piles);
 /*FUNCTION IN MAIN*/
 void		print_all_stack(t_stack *stack, t_stack *first, char pile);
 int			verif_no_double(int *tab, int len, int value);
diff --git a/test_one.c b/test_one.c
index e56d78c..da1dac3 100644
--- a/test_one.c
+++ b/test_one.c
@@ -16,23 +16,21 @@
 
 int	test1(int argc, char **argv)
 {
-	t_stacks	*stacks;
+	t_stacks	*piles;
+	t_tab		*preset;
 
-	stacks = NULL;
+	piles = NULL;
 	if (argc > 1)
 	{
-		stacks = init_big_stacks(argc, argv);
-		print_all_stack(stacks->a, stacks->a, 'A');
-		print_all_stack(stacks->b, stacks->b, 'B');
-		rra(stacks);
-		print_all_stack(stacks->a, stacks->a, 'A');
-		print_all_stack(stacks->b, stacks->b, 'B');
+		piles = init_big_stacks(argc, argv);
+		preset = get_tabs(piles->a, range_bucket(piles->a));
+		bucket_algo(piles, preset, range_bucket(piles->a));
 	}
-	if (stacks->a)
-		stack_clear_all(stacks->a, stacks->a);
-	if (stacks->b)
-		stack_clear_all(stacks->b, stacks->b);
-	free(stacks);
+	if (piles->a)
+		stack_clear_all(piles->a, piles->a);
+	if (piles->b)
+		stack_clear_all(piles->b, piles->b);
+	free(piles);
 	return (0);
 }
 
@@ -52,8 +50,8 @@ int	test2(char **argv)
 	tab = auto_shuffle(len);
 	piles = init_big_stacks2(tab, len);
 	preset = get_tabs(piles->a, range_bucket(piles->a));
+	bucket_algo(piles, preset, range_bucket(piles->a));
 	free(tab);
-	free_tab(&preset);
 	if (piles->a)
 		stack_clear_all(piles->a, piles->a);
 	if (piles->b)