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#include <unistd.h>

void	change_to_4(int *y)
{

	*y = 4;

}

void	change_to_max_y(int z[4][4], int a, int b)
{
		int x;
		x = 0;

		while (x < 4)
		{
			int	y;
			y = 0;
			while (y < 4)
			{
				if (y >= (a - 1) && y <= (4 - b))
					change_to_4(&z[y][x]);
					y++;
			}
			x++;
		}
}

void	ft_putchar(char c)
{
	write(1, &c ,1);
}

int	main(void)
{
	int	str[16] = {3, 3, 1, 2, 1, 2, 2, 3, 2, 3, 2, 1, 2, 1, 2, 3};
	
	int matrix[4][4] = {{0}};

	int	a;
	int	b;

	a = 0;
	b = 4;

	while (a < 4 && b < 8)
	{
		change_to_max_y(matrix, str[a], str[b]);
		a++;
		b++;
	}

	int	i;
	int	j;

	i = 0;
	while (i <= 3)
	{
		j = 0;
		while (j <= 3)
		{
			ft_putchar(matrix[i][j] + '0');
			j++;
		}
		ft_putchar(0x0a);
		i++;
	}
	
}