Start with challenge 44 by parsing text file

src/main.rs

@@ -4,6 +4,7 @@
 #![allow(clippy::items_after_statements)]
 #![allow(clippy::many_single_char_names)]
 #![allow(clippy::module_name_repetitions)]
+#![feature(string_remove_matches)]
 mod bytes;
 mod bytes_base64;
 mod cbc;
@@ -70,7 +71,7 @@ fn main() {
         set5::challenge40().unwrap_or_else(|| println!("[fail] challenge 40"));
         set6::challenge41().unwrap_or_else(|| println!("[fail] challenge 41"));
         set6::challenge42().unwrap_or_else(|| println!("[fail] challenge 42"));
+        set6::challenge43().unwrap_or_else(|| println!("[fail] challenge 43"));
     }
-    set6::challenge43().unwrap_or_else(|| println!("[fail] challenge 43"));
     set6::challenge44().unwrap_or_else(|| println!("[fail] challenge 44"));
 }