diff -r b528d1d3d3c3 -r 59e005dcf163 main_testing5/bf_test6.scala
--- a/main_testing5/bf_test6.scala	Thu Nov 02 13:53:37 2023 +0000
+++ b/main_testing5/bf_test6.scala	Thu Nov 02 23:34:53 2023 +0000
@@ -1,10 +1,14 @@
-import M5b._
 
-//println(optimise(load_bff("benchmark.bf")).length)
-//println(optimise(load_bff("mandelbrot.bf")).length)
+def urbanmain() = {
+
+  import M5b._
 
-val urban_l1 = optimise(load_bff("benchmark.bf")).length
-val urban_l2 = optimise(load_bff("mandelbrot.bf")).length 
+  //println(optimise(load_bff("benchmark.bf")).length)
+  //println(optimise(load_bff("mandelbrot.bf")).length)
 
-assert(urban_l1 == 181)
-assert(urban_l2 == 11203)
+  val urban_l1 = optimise(load_bff("benchmark.bf")).length
+  val urban_l2 = optimise(load_bff("mandelbrot.bf")).length 
+
+  assert(urban_l1 == 181)
+  assert(urban_l2 == 11203)
+}