prepare partition two

src/main.rs

@@ -7,7 +7,8 @@ fn main() {
     println!("Executing main entrypoint . . . ");
     let now = Instant::now();
     
-    day09::part_one();
+    // day09::part_one();
+    day09::part_two();
 
     let elapsed = now.elapsed();
     println!("Execution in {:?}.", elapsed);