def printSolution(): Unit ={

    val str:String = ""

    var s1:String = ""
    var s2:String = ""
    var s3:String = ""
    var s4:String = ""

    val sX:String = "x"
    val space:String = " "

    for(y<-allSquares.indices.toList){
      for(x<-allSquares.indices.toList){
        //Print the values
        print(allSquares(x)(y).possibleValues.mkString(","))

        //Print right neighbor or not
        if (allSquares(x)(y).neighbors.contains(Direction.right)){
          print("x")
        }
        else {
          print(" ")
        }

      }   // for(x)

        //Remove some code and added this
        //This will work on all sizes if i am not mistaken
        //and also follow  functional requirments
        // You jobb double check it, understand it, write comments and clean up the code
        print("\n")
        for (v<-(0 until num).toList){
          if (allSquares(v)(y).neighbors.contains(Direction.down)){
            print("x ")
          }
          else{
            print("  ")
          }
        }
        //Above


      println("");

    }   // for(y)

  }   // printSolution()