diff -r 3f34da7a3094 -r 12dc251fc47e templates3/knight1.scala
--- a/templates3/knight1.scala	Thu Oct 31 09:49:33 2019 +0000
+++ b/templates3/knight1.scala	Thu Oct 31 10:44:10 2019 +0000
@@ -1,5 +1,8 @@
-// Part 1 about finding Knight's tours
-//=====================================
+// Preliminary Part about finding Knight's tours
+//===============================================
+
+
+object CW8a {
 
 // If you need any auxiliary function, feel free to 
 // implement it, but do not make any changes to the
@@ -26,7 +29,7 @@
 //def legal_moves(dim: Int, path: Path, x: Pos) : List[Pos] = ...
 
 
-//some test cases
+//some testcases
 //
 //assert(legal_moves(8, Nil, (2,2)) == 
 //  List((3,4), (4,3), (4,1), (3,0), (1,0), (0,1), (0,3), (1,4)))
@@ -46,7 +49,7 @@
 //def enum_tours(dim: Int, path: Path) : List[Path] = ...
 
 
-//(5) Implement a first-function that finds the first 
+//(4) Implement a first-function that finds the first 
 //    element, say x, in the list xs where f is not None. 
 //    In that case Return f(x), otherwise None. If possible,
 //    calculate f(x) only once.
@@ -54,16 +57,15 @@
 //def first(xs: List[Pos], f: Pos => Option[Path]) : Option[Path] = ...
 
 
-// test cases
+// testcases
+//
 //def foo(x: (Int, Int)) = if (x._1 > 3) Some(List(x)) else None
 //
 //first(List((1, 0),(2, 0),(3, 0),(4, 0)), foo)   // Some(List((4,0)))
 //first(List((1, 0),(2, 0),(3, 0)), foo)          // None
 
 
-
-
-//(6) Implement a function that uses the first-function from (5) for
+//(5) Implement a function that uses the first-function from (5) for
 //    trying out onward moves, and searches recursively for a
 //    knight tour on a dim * dim-board.
 
@@ -92,6 +94,9 @@
 // in order to print out the time that is needed for 
 // running count_tours
 
+
+
+
 // for printing a board
 def print_board(dim: Int, path: Path): Unit = {
   println
@@ -105,3 +110,5 @@
 
 
 */
+
+}