diff --git a/23/23.txt b/23/23.txt
new file mode 100644
index 0000000..1529bc4
--- /dev/null
+++ b/23/23.txt
@@ -0,0 +1 @@
+koma bekakamizhya
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 82e0906..a245a4f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -70,6 +70,7 @@
 		"23-11",
 		"23-13",
 		"23-15",
-		"23-18"
+		"23-18",
+		"23-20"
 	]
 }
\ No newline at end of file