diff -r 349d706586ef -r 03530cb87cd0 marking2/knight3c_test.scala
--- a/marking2/knight3c_test.scala	Mon Jan 15 23:15:34 2018 +0000
+++ b/marking2/knight3c_test.scala	Tue Jan 16 10:47:29 2018 +0000
@@ -4,6 +4,8 @@
 //import ExecutionContext.Implicits.global
 //import scala.language.postfixOps 
 
+println(Runtime.getRuntime.maxMemory)
+
 type Pos = (Int, Int)
 type Path = List[Pos]
 
@@ -27,6 +29,7 @@
     if (legal_moves_urban(dim, p, y).contains(x)) correct_urban(dim)(y::p) else false
 }
 
+// !!!!!!! the futures need to be removed
 //lazy val f1 = Future {
 
   val ts8 = CW7c.first_tour_heuristic(8, List((0,0))).get