diff --git a/fillit/includes/fillit.h b/fillit/includes/fillit.h
index d19c37be..0ce797f3 100644
--- a/fillit/includes/fillit.h
+++ b/fillit/includes/fillit.h
@@ -5,11 +5,16 @@
 # define FILLIT_H
 # define BUF_SIZE 32
 
-typedef struct	s_tetrim
+extern size_t g_size;
+
+typedef struct	s_ttmn
 {
 	char	id;
-	int		pos[3][2];
-	int		placed;
-}				t_tetrim;
+	int		pos[4][2];
+}				t_ttmn;
+
+t_ttmn	*ft_get_ttmn(char *filename);
+void	ft_show_ttmn(t_ttmn ttmn);
+void	ft_show_board(char **board);
 
 #endif
diff --git a/fillit/src/main.c b/fillit/src/main.c
index b194fd1a..5fc4c8ed 100644
--- a/fillit/src/main.c
+++ b/fillit/src/main.c
@@ -1,104 +1,140 @@
 #include "fillit.h"
 
+size_t	g_size = 20;
+
 void	ft_usage(void)
 {
 	ft_putendl("error");
 }
 
-t_tetrim	*ft_get_tetrims(char *filename)
+int		ft_check_pos(char **board, t_ttmn block, size_t i, size_t j)
 {
-	int			fd;
-	char		buf[BUF_SIZE + 1];
-	int			ret;
-	int			i;
-	int			j;
-	int			k;
-	int			l;
-	int			ref[2];
-	char		letter = 'A';
-	t_tetrim	*tetrims;
+	size_t	size;
+	size_t	k;
 
-	tetrims = (t_tetrim *)ft_memalloc(sizeof(t_tetrim) * 27);
-	fd = open(filename, O_RDONLY);
-	if (fd == -1)
-		return (0);
+	size = 0;
+	if (board)
+		size = ft_strlen(*board);
 	k = -1;
-	j = 0;
-	l = 0;
-	while ((ret = read(fd, buf, BUF_SIZE)))
+	while (++k < 3)
 	{
-		buf[ret] = '\0';
-		i = 0;
-		while (buf[i])
+		if (i + block.pos[k][0] >= size || j + block.pos[k][1] >= size)
+			continue ;
+		if (board[i + block.pos[k][0]][j + block.pos[k][1]] != '.')
+			return (0);
+	}
+	return (1);
+}
+
+void	ft_grow_board(char ***board_ptr)
+{
+	size_t	size;
+	size_t	i;
+	size_t	j;
+	char	**new_board;
+	char	**board;
+
+	board = *board_ptr;
+	size = board ? ft_strlen(*board) : 0;
+	new_board = (char **)malloc(sizeof(char *) * (size + 1));
+	i = -1;
+	while (++i < size)
+	{
+		new_board[i] = ft_strjoin(board[i], ".");
+		free(board[i]);
+	}
+	j = -1;
+	new_board[i] = (char *)malloc(sizeof(char) * (size + 1));
+	while (++j < size + 1)
+	{
+		new_board[i][j] = '.';
+	}
+	free(*board_ptr);
+	*board_ptr = new_board;
+}
+
+char	**ft_next_board(char **board, t_ttmn block, size_t i, size_t j)
+{
+	size_t	size;
+	size_t	k;
+	char	**new_board;
+
+	size = board ? ft_strlen(*board) : 0;
+	new_board = size ? (char **)malloc(sizeof(char *) * size) : NULL;
+	k = -1;
+	while (++k < size)
+		new_board[k] = ft_strdup(board[k]);
+	k = 0;
+	while (k < 4)
+	{
+		if (i + block.pos[k][0] >= size || j + block.pos[k][1] >= size)
 		{
-			/* printf("%i, %i, %i: '%c'\n", i, j, k, buf[i]); */
-			if (buf[i] == '.')
-				;
-			else if (buf[i] == '#')
+			ft_grow_board(&new_board);
+			size++;
+			continue ;
+		}
+		new_board[i + block.pos[k][0]][j + block.pos[k][1]] = block.id;
+		k++;
+	}
+	return (new_board);
+}
+
+int		ft_solver(char **board, t_ttmn *ttmn)
+{
+	size_t	i;
+	size_t	j;
+	char	**new_board;
+
+	ft_show_ttmn(*ttmn);
+	ft_show_board(board);
+	if (!(*ttmn).id)
+	{
+		g_size = ft_strlen(*board);
+		printf("new solution : size = %zu\n", g_size);
+		return(0);
+	}
+	i = 0;
+	while (i < g_size)
+	{
+		j = 0;
+		while (j <= i)
+		{
+			printf("trying: %zu,%zu\n", i, j);
+			if (ft_check_pos(board, *ttmn, i, j))
 			{
-				if (k == -1)
-				{
-					tetrims[l].id = letter++;
-					ref[0] = j / 5;
-					ref[1] = j % 5;
-				}
-				else if (k >= 0 && k <= 2)
-				{
-					tetrims[l].pos[k][0] = j / 5 - ref[0];
-					tetrims[l].pos[k][1] = j % 5 - ref[1];
-				}
-				else
-					return (0);
-				k++;
+				printf("pos ok : %zu,%zu\n", i, j);
+				new_board = ft_next_board(board, *ttmn, i, j);
+				if (ft_solver(new_board, ttmn + 1))
+					return (1);
+				free(new_board);
 			}
-			else if (buf[i] == '\n')
+			if (j != i && ft_check_pos(board, *ttmn, j, i))
 			{
-				if (i > 0 && buf[i - 1] == '\n')
-				{
-					if (k != 3 || j != 20)
-						return (0);
-					l++;
-					j = -1;
-					k = -1;
-				}
-				else
-				{
-					if ((j + 1) % 5 != 0)
-						return (0);
-				}
+				printf("pos ok : %zu,%zu\n", j, i);
+				new_board = ft_next_board(board, *ttmn, j, i);
+				if (ft_solver(new_board, ttmn + 1))
+					return (1);
+				free(new_board);
 			}
-			else
-			{
-				return (0);
-			}
-			i++;
 			j++;
 		}
+		i++;
 	}
-	if (k != 3 || j != 20)
-		return (0);
-	tetrims[l + 1].id = '\0';
-	return (tetrims);
+	return (0);
 }
 
 int		main(int ac, char **av)
 {
-	t_tetrim	*tetrims;
-	int		i;
-	int		l;
+	t_ttmn	*ttmn;
 
-	if (ac != 2 || !(tetrims = ft_get_tetrims(av[1])))
+	if (ac != 2 || !(ttmn = ft_get_ttmn(av[1])))
 	{
 		ft_usage();
 		return (1);
 	}
-	l = -1;
-	while (tetrims[++l].id)
-	{
-		printf("%c\n",tetrims[l].id);
-		for (i=0; i < 3; i++)
-			printf("%i,%i\n", tetrims[l].pos[i][0], tetrims[l].pos[i][1]);
-		ft_putendl("");
-	}
+	/* int l = -1; */
+	/* while (ttmn[++l].id) */
+	/* 	ft_show_ttmn(ttmn[l]); */
+	ft_solver(NULL, ttmn);
 	return (0);
 }