--- a/Complex.st	Wed Dec 04 13:20:35 2019 +0100
+++ b/Complex.st	Wed Dec 04 14:04:15 2019 +0100
@@ -141,6 +141,9 @@
     Number i + 1
     1 + Number i
 
+    1 i + 1
+    1 + 1 i
+
     1i * 1i
     Number i * Number i