diff --git a/src/assignments/assignment12/card.rs b/src/assignments/assignment12/card.rs
index 331c33f..a0ac968 100644
--- a/src/assignments/assignment12/card.rs
+++ b/src/assignments/assignment12/card.rs
@@ -45,6 +45,20 @@ impl Player {
 
     /// This function should return the index of the card to flip and the color to change to.
     pub fn flip_card_strategy(&mut self) -> (usize, Color) {
-        todo!()
+        let dist = 400;
+        let counter_entry = self.memory.entry(0).or_insert(0);
+
+        if *counter_entry % dist % 4 == 0 {
+            *counter_entry += 1;
+        }
+
+        let index = (*counter_entry % 25) * dist + (*counter_entry / 25);
+        *counter_entry += 1;
+
+        if *counter_entry == 10000 {
+            *counter_entry = 0;
+        }
+
+        (index as usize, Color::White)
     }
 }