diff --git a/README.md b/README.md
index 2158fdd..513c313 100644
--- a/README.md
+++ b/README.md
@@ -67,3 +67,6 @@ CFcSBwgCCBoHRhkKU1cGAA4AGU5YQR5THBwNFwoGGAxTQQMQVBUSBg4EAAwQRhUQVBUHFAQTGRpT QQM
      * x and y are relatively prime
 * Reference
   * [Maximum Matching in General Graph](https://www.secmem.org/blog/2020/04/18/Blossom/)
+
+### extra/prepare-the-bunnies-escape
+* Completed in: 3 hrs, 17 mins, 20 secs.