diff --git a/014/main.rs b/014/main.rs
index c7883a9..c632854 100644
--- a/014/main.rs
+++ b/014/main.rs
@@ -1,14 +1,15 @@
 use std::collections::HashMap;
 type CZS = HashMap<u64, u64>;
-struct Collatz { czs: CZS }
+struct Collatz { czs: CZS, pub max_computed: u64 }
 
 impl Collatz {
     pub fn new() -> Collatz {
-        let mut res = Collatz { czs: HashMap::new() };
+        let mut res = Collatz { czs: HashMap::new(), max_computed: 1 };
         res.czs.insert(1, 1);
         res
     }
     pub fn compute(&mut self, n: u64) -> u64 {
+        if n > self.max_computed { self.max_computed = n; }
         match self.czs.get(&n) {
             Some(cl) => *cl,
             None => {
@@ -37,8 +38,10 @@ fn main() {
         if clk > best_cl {
             best_cl = clk;
             best_n = k;
+            println!("new best {} -> {}", best_n, best_cl);
         }
-        //println!("{}: {}", k, clk);
     }
     println!("{} -> {}", best_n, best_cl);
+    println!("max_computed: {}", collatz.max_computed);
+
 }