--- a/main_templates4/knight2.scala	Fri Nov 05 16:47:55 2021 +0000
+++ b/main_templates4/knight2.scala	Fri Nov 05 17:20:01 2021 +0000
@@ -2,7 +2,7 @@
 // Warnsdorf Rule
 //==============================================================
 
-object CW9b {
+object M4b {
 
 
 // !!! Copy any function you need from file knight1.scala !!!