diff -r 244df77507c2 -r 253d1ccb65de main_marking5/bf_test5.scala
--- a/main_marking5/bf_test5.scala	Sun Sep 15 12:57:59 2024 +0100
+++ b/main_marking5/bf_test5.scala	Mon Jul 21 16:38:07 2025 +0100
@@ -1,34 +1,34 @@
-import M5b._
 
+def urbanmain() = {
+  import M5b._
 
-import scala.concurrent._
-import scala.concurrent.duration._
-import ExecutionContext.Implicits.global
-import scala.language.postfixOps 
+  import scala.concurrent._
+  import scala.concurrent.duration._
+  import ExecutionContext.Implicits.global
+  import scala.language.postfixOps 
 
-lazy val f = Future {
-val hw_urban = """+++++[->++++++++++<]>--<+++[->>++++++++++<<]>>++<<----------[+>.>.<+<]"""
-assert(jtable(hw_urban) == Map(69 -> 61, 5 -> 20, 60 -> 70, 27 -> 44, 43 -> 28, 19 -> 6))
+  lazy val f = Future {
+    val hw_urban = """+++++[->++++++++++<]>--<+++[->>++++++++++<<]>>++<<----------[+>.>.<+<]"""
 
-val hw_urban1 = """++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++."""
+    assert(jtable(hw_urban) == Map(69 -> 61, 5 -> 20, 60 -> 70, 27 -> 44, 43 -> 28, 19 -> 6))
 
-assert(jtable(hw_urban1) == Map(14 -> 34, 33 -> 15, 45 -> 44, 48 -> 9, 43 -> 46, 8 -> 49))
+    val hw_urban1 = """++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++."""
 
-
+    assert(jtable(hw_urban1) == Map(14 -> 34, 33 -> 15, 45 -> 44, 48 -> 9, 43 -> 46, 8 -> 49))
 
-assert(run2("[-]", Map(0 -> 100)) == Map(0 -> 0))
-assert(run2("[->+<]", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10))
-assert(run2("[>>+>>+<<<<-]", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42))
-val hw_urban2 = """+++++[->++++++++++<]>--<+++[->>++++++++++
+    assert(run2("[-]", Map(0 -> 100)) == Map(0 -> 0))
+    assert(run2("[->+<]", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10))
+    assert(run2("[>>+>>+<<<<-]", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42))
+    val hw_urban2 = """+++++[->++++++++++<]>--<+++[->>++++++++++
                   <<]>>++<<----------[+>.>.<+<]"""
-assert(run2(hw_urban2) == Map(0 -> 0, 1 -> 58, 2 -> 32))
+    assert(run2(hw_urban2) == Map(0 -> 0, 1 -> 58, 2 -> 32))
 
-val hw_urban3 = """++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.
+    val hw_urban3 = """++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.
                    +++++++..+++.>>.<-.<.+++.------.--------.>>+.>++."""
 
-assert(run2(hw_urban3) == Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87))
+    assert(run2(hw_urban3) == Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87))
 
+  }
+
+  Await.result(f, 32 second)
 }
-
-Await.result(f, 32 second)
-