diff -r ef5f62bf5987 -r 9a04eb6a2291 testing3/knight1.scala
--- a/testing3/knight1.scala	Tue Oct 29 23:56:13 2019 +0000
+++ b/testing3/knight1.scala	Wed Oct 30 11:28:44 2019 +0000
@@ -1,7 +1,7 @@
-// Part 1 about finding and counting Knight's tours
-//==================================================
+// Preliminary Part 1 finding and counting Knight's tours
+//========================================================
 
-//object CW8a {   // for preparing the jar
+object CW8a {  
 
 type Pos = (Int, Int)    // a position on a chessboard 
 type Path = List[Pos]    // a path...a list of positions
@@ -165,6 +165,6 @@
 //time_needed(0, print_board(8, first_tour(8, List((0, 0))).get))
 
 
-//}
+}