diff --git a/add_to_list.c b/add_to_list.c
index 9a0ad48..fd7d130 100644
--- a/add_to_list.c
+++ b/add_to_list.c
@@ -6,7 +6,7 @@
 /*   By: hulamy <hulamy@student.42.fr>              +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/04/14 15:20:53 by hulamy            #+#    #+#             */
-/*   Updated: 2019/04/23 16:15:10 by vmanzoni         ###   ########.fr       */
+/*   Updated: 2019/04/23 21:04:43 by vmanzoni         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,7 +15,8 @@
 //#include "libft/includes/libft.h"
 
 /*
-** this function prints a 16 bites short
+** DELETE BEFORE EVAL - TEST FUNCTION
+** Function that prints a 16 bites short
 */
 
 void	print_bits(short line)
@@ -59,7 +60,8 @@ int		fill_list(char line[], t_fillist *list)
 }
 
 /*
-** this function create the linked list and add a new structure linked each time needed
+** Function that create the linked list and add a new structure
+** linked each time needed
 */
 
 int		add_to_list(char *line, t_fillist **list)
@@ -78,6 +80,7 @@ int		add_to_list(char *line, t_fillist **list)
 }
 
 /*
+** DELETE BEFORE EVAL - TEST FUNCTION
 ** Print octet
 */
 
@@ -94,6 +97,7 @@ void	print_test(int octet)
 }
 
 /*
+** DELETE BEFORE EVAL - TEST FUNCTION
 ** Test
 */
 
@@ -127,7 +131,7 @@ void	test(unsigned int map[])
 }
 
 /*
-** MAIN FOR TEST
+** DELETE BEFORE EVAL - MAIN FOR TEST
 */
 
 /*
diff --git a/fillit.h b/fillit.h
index c80544f..0fbd67c 100644
--- a/fillit.h
+++ b/fillit.h
@@ -6,7 +6,7 @@
 /*   By: vmanzoni <vmanzoni@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/03/01 13:34:46 by vmanzoni          #+#    #+#             */
-/*   Updated: 2019/04/23 14:25:15 by vmanzoni         ###   ########.fr       */
+/*   Updated: 2019/04/23 16:19:19 by vmanzoni         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/get_smallest_square.c b/get_smallest_square.c
index 9ac5ca1..399d74e 100644
--- a/get_smallest_square.c
+++ b/get_smallest_square.c
@@ -6,12 +6,16 @@
 /*   By: vmanzoni <vmanzoni@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/04/12 22:29:45 by vmanzoni          #+#    #+#             */
-/*   Updated: 2019/04/23 14:34:32 by vmanzoni         ###   ########.fr       */
+/*   Updated: 2019/04/23 21:03:10 by vmanzoni         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "fillit.h"
 
+/*
+** Function that initialize a int map equivalent to a square size*size
+*/
+
 unsigned int	*initialize_map(int size)
 {
 	unsigned int	*map[0];
@@ -23,6 +27,10 @@ unsigned int	*initialize_map(int size)
 	return (map);
 }
 
+/*
+** Function that bruteforce with backtracking for smallest square
+*/
+
 int				*get_smallest_square(t_fillist list, int size, unsigned int map[])
 {
 	unsigned int	mask;
diff --git a/main.c b/main.c
index 47cdfd7..77afdd6 100644
--- a/main.c
+++ b/main.c
@@ -6,7 +6,7 @@
 /*   By: vmanzoni <vmanzoni@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/02/12 13:20:48 by vmanzoni          #+#    #+#             */
-/*   Updated: 2019/04/22 15:50:16 by vmanzoni         ###   ########.fr       */
+/*   Updated: 2019/04/23 16:19:17 by vmanzoni         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/parse_input.c b/parse_input.c
index 8852298..f5f88cc 100644
--- a/parse_input.c
+++ b/parse_input.c
@@ -6,7 +6,7 @@
 /*   By: vmanzoni <vmanzoni@student.42.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/04/15 14:48:14 by vmanzoni          #+#    #+#             */
-/*   Updated: 2019/04/23 16:01:12 by vmanzoni         ###   ########.fr       */
+/*   Updated: 2019/04/23 21:09:40 by vmanzoni         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -34,6 +34,7 @@ void	parse_input(char *input)
 		if (check_tetri_errors(tetri))
 			print_error("Error: Tetrimino not valid.");
 		add_to_list(tetri, &list);
+		printf("added to list !!\n");
 		while (input[i] && input[i] != '.' && input[i] != '#')
 			i++;
 	}
diff --git a/samples/2tetri b/samples/2tetri
new file mode 100644
index 0000000..26e4931
--- /dev/null
+++ b/samples/2tetri
@@ -0,0 +1,9 @@
+...#
+...#
+...#
+...#
+
+....
+##..
+.##.
+....
diff --git a/samples/3tetri b/samples/3tetri
new file mode 100644
index 0000000..84fea70
--- /dev/null
+++ b/samples/3tetri
@@ -0,0 +1,14 @@
+...#
+...#
+...#
+...#
+
+....
+##..
+.##.
+....
+
+....
+###.
+.#..
+....
diff --git a/samples/4tetri b/samples/4tetri
new file mode 100644
index 0000000..98a0c27
--- /dev/null
+++ b/samples/4tetri
@@ -0,0 +1,19 @@
+...#
+...#
+...#
+...#
+
+...#
+...#
+...#
+...#
+
+...#
+...#
+...#
+...#
+
+...#
+...#
+...#
+...#
diff --git a/samples/difficile_ou_pas b/samples/difficile_ou_pas
index aac9474..d0c08a8 100644
--- a/samples/difficile_ou_pas
+++ b/samples/difficile_ou_pas
@@ -111,4 +111,4 @@
 ....
 ....
 ####
-....iskjdslkfsljklfdjk
+....i
diff --git a/samples/one b/samples/test_bug
similarity index 50%
rename from samples/one
rename to samples/test_bug
index 5013175..0e8a3bd 100644
--- a/samples/one
+++ b/samples/test_bug
@@ -1,4 +1,4 @@
+#...
+###.
 ....
 ....
-....
-####