diff --git a/fillit/includes/fillit.h b/fillit/includes/fillit.h
index 65df691c..54037caf 100644
--- a/fillit/includes/fillit.h
+++ b/fillit/includes/fillit.h
@@ -25,13 +25,13 @@ void	ft_fill_board(char **dst, char **src);
 void	ft_show_ttmn(t_ttmn ttmn);
 void	ft_show_board(char **board);
 
-int		ft_board_add(char **board, t_ttmn block, size_t i, size_t j);
+int		ft_board_add(char **board, t_ttmn block, int i);
 void	ft_board_remove(char **board, char c);
 
 int		ft_solver(char **board, t_ttmn *ttmn);
 
-int		ft_validate_waste(char **board, t_ttmn *blocks, int max_waste);
-int		ft_waste_around(char ***board_ptr, int i, int j);
-int		ft_waste_here(char ***board_ptr, int i, int j);
+int		ft_validate_waste(char **board, t_ttmn *ttmn);
+int		ft_waste_around(char **board, int size, int i);
+int		ft_waste_here(char **board, int size, int i);
 
 #endif
diff --git a/fillit/src/fillit_lib.c b/fillit/src/fillit_lib.c
index 8b5602e0..193ec552 100644
--- a/fillit/src/fillit_lib.c
+++ b/fillit/src/fillit_lib.c
@@ -62,6 +62,22 @@ void	ft_free_board(char ***board)
 	*board = NULL;
 }
 
+void	ft_board_replace(char **board, char a, char b)
+{
+	int		i;
+	int		j;
+
+	i = -1;
+	while (board[++i])
+	{
+		j = -1;
+		while (board[i][++j])
+		{
+			if (board[i][j] == a)
+				board[i][j] = b;
+		}
+	}
+}
 
 void	ft_board_remove(char **board, char c)
 {
@@ -80,34 +96,34 @@ void	ft_board_remove(char **board, char c)
 	}
 }
 
-int		ft_board_add(char **board, t_ttmn block, size_t i, size_t j)
+int		ft_board_add(char **board, t_ttmn block, int i)
 {
 	int		x;
 	int		y;
-	size_t	k;
+	int		k;
 	int		size;
 
 	size = ft_strlen(*board);
 	k = 0;
 	while (k < 4)
 	{
-		x = (int)j + block.pos[k][1];
-		y = (int)i + block.pos[k][0];
+		x = i % size + block.pos[k][1];
+		y = i / size + block.pos[k][0];
 		/* printf("adding %c to %i,%i\n", block.id, y, x); */
 		/* fflush(stdout); */
 		if (x > size - 1 || y > size - 1 || x < 0 || y < 0)
 			return (1);
-		if (board[y][x] != '.' && board[y][x] != '*')
+		if (board[y][x] != '.' && board[y][x] != '*' && board[y][x] != '^')
 			return (1);
-		/* ft_show_board(board); */
 		k++;
 	}
 	k = 0;
 	while (k < 4)
 	{
-		x = (int)j + block.pos[k][1];
-		y = (int)i + block.pos[k][0];
+		x = i % size + block.pos[k][1];
+		y = i / size + block.pos[k][0];
 		board[y][x] = block.id;
+		/* ft_show_board(board); */
 		k++;
 	}
 	return (0);
diff --git a/fillit/src/fillit_printer.c b/fillit/src/fillit_printer.c
index 34fc407a..46a593d8 100644
--- a/fillit/src/fillit_printer.c
+++ b/fillit/src/fillit_printer.c
@@ -4,6 +4,11 @@ void	ft_show_ttmn(t_ttmn ttmn)
 {
 	int		i;
 
+	if (!ttmn.id)
+	{
+		ft_putendl("end of ttmn\n");
+		return ;
+	}
 	printf("%c",ttmn.id);
 	for (i=1; i < 4; i++)
 		printf("\t%d,%d\n", ttmn.pos[i][0], ttmn.pos[i][1]);
diff --git a/fillit/src/fillit_solver.c b/fillit/src/fillit_solver.c
index c5d87179..b9f7a222 100644
--- a/fillit/src/fillit_solver.c
+++ b/fillit/src/fillit_solver.c
@@ -1,35 +1,35 @@
 #include "fillit.h"
 
+int		ft_solved(char **board)
+{
+	printf("new solution : size %i\n", ft_strlen(*board));
+	fflush(stdout);
+	g_sol = ft_copy_board(board);
+	ft_show_board(g_sol);
+	return (1);
+}
+
 int		ft_solver(char **board, t_ttmn *ttmn)
 {
 	int		i;
 	int		j;
 	int		size;
-	int		max_waste;
 
+	if (ttmn->id == '0')
+		return (ft_solver(board, ttmn + 1));
+	if (!ttmn->id)
+		return (ft_solved(board));
 	/* ft_show_board(board); */
 	size = ft_strlen(*board);
-	max_waste = size * size - 4 * g_ttmn;
-	if (!(*ttmn).id)
-	{
-		printf("new solution : size %i\n", size);
-		g_sol = ft_copy_board(board);
-		return (1);
-	}
 	i = -1;
-	while (++i < size)
+	while (++i < size * size)
 	{
-		j = -1;
-		while (++j < size)
-		{
-			if (ft_board_add(board, *ttmn, i, j))
-				continue ;
-			if (!ft_validate_waste(board, ttmn + 1, max_waste))
-				;
-			else if (ft_solver(board, ttmn + 1))
-				return (1);
-			ft_board_remove(board, ttmn->id);
-		}
+		/* ft_show_board(board); */
+		if (ft_board_add(board, *ttmn, i))
+			continue ;
+		if (ft_validate_waste(board, ttmn + 1))
+			return (1);
+		ft_board_remove(board, ttmn->id);
 	}
 	return (0);
 }
diff --git a/fillit/src/fillit_waste.c b/fillit/src/fillit_waste.c
index 3c40baed..3cd003d0 100644
--- a/fillit/src/fillit_waste.c
+++ b/fillit/src/fillit_waste.c
@@ -1,85 +1,127 @@
 #include "fillit.h"
 
-int		ft_waste_here(char ***board_ptr, int i, int j)
+int		ft_waste_here(char **board, int size, int i)
 {
 	int		n;
 
 	n = 0;
-	if (board_ptr[0][i][j] == '.')
+	if (board[i / size][i % size] == '.')
 	{
-		board_ptr[0][i][j] = '*';
+		board[i / size][i % size] = '*';
 		n++;
-		n += ft_waste_around(board_ptr, i, j);
+		n += ft_waste_around(board, size, i);
 	}
 	return (n);
 }
 
-int		ft_waste_around(char ***board_ptr, int i, int j)
+int		ft_waste_around(char **board, int size, int i)
 {
-	size_t	size;
-	size_t	n;
+	int		n;
 
-	size = ft_strlen(**board_ptr);
 	n = 0;
-	n += i > 0 ? ft_waste_here(board_ptr, i - 1, j) : 0;
-	n += j > 0 ? ft_waste_here(board_ptr, i, j - 1) : 0;
-	n += i < (int)size - 1 ? ft_waste_here(board_ptr, i + 1, j) : 0;
-	n += j < (int)size - 1 ? ft_waste_here(board_ptr, i, j + 1) : 0;
+	n += i / size > 0 ? ft_waste_here(board, size, i - size) : 0;
+	n += i % size > 0 ? ft_waste_here(board, size, i - 1) : 0;
+	n += i / size < size - 1 ? ft_waste_here(board, size, i + size) : 0;
+	n += i % size < size - 1 ? ft_waste_here(board, size, i + 1) : 0;
 	return (n);
 }
 
-int		ft_additional_waste(char **board, t_ttmn *ttmn, int i, int j)
+int		ft_fit_any(char **board, t_ttmn *ttmn, int i, int blob)
 {
-	int	y;
-	int	x;
-	int	l;
-	int	size;
+	int		y;
+	int		l;
+	int		size;
+	char	tmp;
+	int		n;
 
+	/* printf("going to fit any at %i,%i\n", i, j); */
+	/* fflush(stdout); */
 	/* ft_show_board(board); */
-	y = i - 1;
-	x = j - 1;
+	y = i;
+	n = blob;
 	size = ft_strlen(*board);
-	while (++y < size)
+	while (y < size * size)
 	{
-		x = (x == size ? -1 : x);
-		while (++x < size);
+		if (board[y / size][y % size] == '*')
 		{
+			n--;
 			l = -1;
+			/* printf("0 trying all at %i\n", y); */
+			/* fflush(stdout); */
 			while (ttmn[++l].id)
-				if (!ft_board_add(board, ttmn[l], i, j))
-					return (0);
+			{
+				/* printf("1 trying %c at %i\n", ttmn[l].id, y); */
+				/* fflush(stdout); */
+				if (ttmn[l].id == '0')
+					continue ;
+				if (ft_board_add(board, ttmn[l], y))
+					continue ;
+				/* printf("passed board add\n"); */
+				/* fflush(stdout); */
+				/* ft_show_board(board); */
+				ft_board_remove(board, '*');
+				ft_board_remove(board, '^');
+				if (!ttmn[1].id)
+					return(ft_solved(board));
+				tmp = ttmn[l].id;
+				ttmn[l].id = '0';
+				if (ft_solver(board, ttmn))
+					return (1);
+				ttmn[l].id = tmp;
+				ft_board_remove(board, ttmn[l].id);
+				ft_waste_here(board, size, y);
+				/* ft_show_board(board); */
+			}
+			/* printf("failed at %i\n", y); */
+			/* fflush(stdout); */
 		}
+		y++;
 	}
-	return (1);
+	return (0);
 }
 
-int		ft_validate_waste(char **board, t_ttmn *ttmn, int max_waste)
+int		ft_validate_waste(char **board, t_ttmn *ttmn)
 {
 	int	waste;
-	int	i;
-	int	j;
+	int	y;
 	int	blob;
 	int	size;
 
-	board = ft_copy_board(board);
+	if (ttmn->id == '0')
+		return (ft_solver(board, ttmn + 1));
+	if (!ttmn->id)
+		return (ft_solved(board));
 	waste = 0;
 	size = ft_strlen(*board);
-	i = -1;
+	y = -1;
 	/* ft_show_board(board); */
-	while (++i < size)
+	while (++y < size * size)
 	{
-		j = -1;
-		while (++j < size)
+		if (board[y / size][y % size] != '.')
+			continue ;
+		ft_board_replace(board, '*', '^');
+		blob = ft_waste_here(board, size, y);
+		/* printf("found blob=%i at %i\n", blob, y); */
+		/* fflush(stdout); */
+		/* ft_show_board(board); */
+		waste += blob % 4;
+		if (waste > size * size - 4 * g_ttmn)
 		{
-			blob = ft_waste_here(&board, i, j);
-			/* if (blob / 4 == 1) */
-			/* 	waste += ft_additional_waste(board, ttmn, i, j); */
-			waste += blob % 4;
-			if (waste > max_waste)
-			{
-				return (0);
-			}
+			ft_board_remove(board, '*');
+			ft_board_remove(board, '^');
+			return (0);
+		}
+		if (blob / 4 == 1 && ft_fit_any(board, ttmn, y, blob))
+			return (1);
+		waste += (blob / 4 == 1) ? 4 : 0;
+		if (waste > size * size - 4 * g_ttmn)
+		{
+			ft_board_remove(board, '*');
+			ft_board_remove(board, '^');
+			return (0);
 		}
 	}
-	return(1);
+	ft_board_remove(board, '*');
+	ft_board_remove(board, '^');
+	return (ft_solver(board, ttmn));
 }
diff --git a/fillit/src/main.c b/fillit/src/main.c
index 3453b616..75116c60 100644
--- a/fillit/src/main.c
+++ b/fillit/src/main.c
@@ -18,7 +18,7 @@ int		main(int ac, char **av)
 		ft_usage();
 		return (1);
 	}
-	size = g_target + 3;
+	size = g_target + 2;
 	while (size >= (int)g_target)
 	{
 		board = ft_empty_board(size);