added print of orthonormal

src/main.rs

@@ -204,8 +204,7 @@ fn display_grid(
     h: &HashMap<robot::Position, u32>,
 ) {
     for i in (0..w.y).rev() {
-        
-        print!("  ");
+        print!("{}  ", i);
         for j in 0..w.x {
             print!("{}  ", i);
             match h.get(Position{ x: j, y: i }) {
@@ -217,8 +216,12 @@ fn display_grid(
                     None => print!("."),
                 },
             }
-            println!()
         }
+        println!();
+    }
+    print!("  ");
+    for j in (0..w.x){
+    print!("{}  ", j);
     }
 }
 fn main() -> Result<(), Box<dyn std::error::Error>> {