--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_templates4-old/knight2.scala	Sat Nov 04 18:53:37 2023 +0000
@@ -0,0 +1,35 @@
+// Core Part about finding a single tour for a board using the
+// Warnsdorf Rule
+//==============================================================
+
+object M4b {
+
+// !!! Copy any function you need from file knight1.scala !!!
+//
+// If you need any auxiliary functions, feel free to 
+// implement them, but do not make any changes to the
+// templates below.
+
+type Pos = (Int, Int)    // a position on a chessboard 
+type Path = List[Pos]    // a path...a list of positions
+
+// ADD YOUR CODE BELOW
+//======================
+
+//(6) 
+def ordered_moves(dim: Int, path: Path, x: Pos) : List[Pos] = ???
+
+
+//(7) 
+def first_closed_tour_heuristics(dim: Int, path: Path) : Option[Path] = ???
+
+
+//(8) Same as (7) but searches for *non-closed* tours. This 
+//    version of the function will be called with dimensions of 
+//    up to 30 * 30.
+
+def first_tour_heuristics(dim: Int, path: Path) : Option[Path] = ???
+
+
+
+}