diff --git a/src/main.rs b/src/main.rs
index 13b6b44..13ad09e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -70,6 +70,32 @@ fn parse_config(conf: String, pool: &mut Vec<robot::Robot>) -> Result<world::Wor
         Ok(x) => x,
         Err(_) => return Err("Could not convert token two from the first string to i32"),
     };
+    loop {
+        // This line should be empty.
+        let empty_line = match lines.next() {
+            None => break,
+            Some(x) => x,
+        };
+        if !empty_line.is_empty() {
+            return Err("This line should be empty !");
+        }
+        let a = match lines.next() {
+            None => return Err("This line should be config !"),
+            Some(raw) => raw,
+        };
+        if a.is_empty() {
+            return Err("The config line should be empty !");
+        }
+        let b = match lines.next() {
+            None => return Err("This line should be instruction !"),
+            Some(raw) => raw,
+        };
+        if b.is_empty() {
+            return Err("The instruction line should be empty !");
+        }
+        println!("{}", a);
+        println!("{}", b);
+    }
     Ok(world::World { x, y })
 }