diff --git a/README.md b/README.md
index 9e41b70..1cfd5e5 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,9 @@ Language: Go
 | 16 |     |
 | 17 | ⭐  |
 | 18 | ⭐⭐ |
+| 19 |      |
+| 20 | ⭐⭐ |
+| 21 | ⭐ |
 
 ## 2021