--- a/main_solution4/knight2.scala	Sat Nov 06 00:06:39 2021 +0000
+++ b/main_solution4/knight2.scala	Mon Nov 08 00:17:50 2021 +0000
@@ -1,7 +1,7 @@
-// Part 4 about finding a single tour using the Warnsdorf Rule
+// Part 2 about finding a single tour using the Warnsdorf Rule
 //=============================================================
 
-object CW9b { // for preparing the jar
+object M4b { // for preparing the jar
 
 type Pos = (Int, Int)
 type Path = List[Pos]