diff --git a/tests/step1_read_print.mal b/tests/step1_read_print.mal
index 5a2b9155..a67973dd 100644
--- a/tests/step1_read_print.mal
+++ b/tests/step1_read_print.mal
@@ -153,6 +153,8 @@ false
 ;=>{"a" {"b" {"c" 3}}}
 {  "a"  {"b"   {  "cde"     3   }  }}
 ;=>{"a" {"b" {"cde" 3}}}
+{"1" 1 "2" 2 "3" 3}
+;/{"([1-3])" \1 "(?!\1)([1-3])" \2 "(?!\1)(?!\2)([1-3])" \3}
 {  :a  {:b   {  :cde     3   }  }}
 ;=>{:a {:b {:cde 3}}}