diff --git a/src/components/PresentsPuzzle.tsx b/src/components/PresentsPuzzle.tsx
index fe945da..b465e21 100644
--- a/src/components/PresentsPuzzle.tsx
+++ b/src/components/PresentsPuzzle.tsx
@@ -273,7 +273,26 @@ const PresentsPuzzle = ({
   };
 
   const stepToEnd = () => {
-    updateStep(99);
+    const { presents, aliceOrder: aOrder, bobOrder: bOrder } = initializeSimulation();
+    
+    let aliceCount = 0;
+    let bobCount = 0;
+    let winningStep = 99; // default to last step if no winner found
+    
+    // Find the step where someone first wins
+    for (let i = 0; i < 100; i++) {
+      if (presents.has(aOrder[i])) aliceCount++;
+      if (presents.has(bOrder[i])) bobCount++;
+      
+      // Check if someone won on this step
+      if (aliceCount === 26 || bobCount === 26) {
+        winningStep = i;
+        break;
+      }
+    }
+    
+    // Update to that step
+    updateStep(winningStep);
   };
 
   const stepToStart = () => {