diff --git a/rush03.c b/rush03.c
new file mode 100644
index 0000000..b60e4dd
--- /dev/null
+++ b/rush03.c
@@ -0,0 +1,49 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   rush03.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: jtorrez- <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/03/18 20:15:12 by jtorrez-          #+#    #+#             */
+/*   Updated: 2023/03/19 02:23:58 by tischmid         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "include/ft_putchar.h"
+#include "include/ft_lib.h"
+#include "include/rush0X.h"
+
+const char	g_inside = ' ';
+
+// corners specified clockwise, starting from top left
+const char	g_corners[] = {'A', 'C', 'C', 'A', '\0'};
+const char	g_horizontal = 'B';
+const char	g_vertical = 'B';
+
+void	rush(int x, int y)
+{
+	int	i;
+
+	i = 0;
+	if (x * y == 0)
+		return ;
+	horiz_line(g_corners[0], g_horizontal, g_corners[1], x);
+	while (i++ < y - 2)
+		horiz_line(g_vertical, g_inside, g_vertical, x);
+	if (y > 1)
+		horiz_line(g_corners[3], g_horizontal, g_corners[2], x);
+}
+
+void	horiz_line(char left, char middle, char right, int width)
+{
+	int	i;
+
+	i = 0;
+	ft_putchar(left);
+	while (i++ < width - 2)
+		ft_putchar(middle);
+	if (width > 1)
+		ft_putchar(right);
+	ft_putchar('\n');
+}