anchor.diff:  import 'QuattroLinkedList.dart';
   import 'Player.dart';
   import 'Crate.dart';
  +import 'Statistics.dart';
   
   class KistenschiebenModel {
   
  
positive.code:   }
  
    show(m, n) {
  //    int x = 3;
  //    int y = 4;
  //    String id;
  //    id = "#pos" + x.toString() + "_" + y.toString();
      print("PlayerPosition: " + player.getPosition());
      print("CratePosition: " + crate.getPosition());
      qlList.printField(m, n);
  
negative.code:   String playerPositionAsString() {
      return player.getPositionAsString();
    }
  
    reset() {
      loadLvl(actualLevel, columns, rows);
      stats.resetLocal();
    }
  
    resetTotal(){
      loadLvl(actualLevel, columns, rows);
      stats.resetAll();
    }
  
    loadStats(int lm, int gm, int lp, int gp, int lt, int gt) {
      stats.loadStats(lm, gm, lp, gp, lt, gt);
    }
  
    List<int> getStatistics() {
      return stats.getStats();
    }
  
    printErrorMessage() {
  