public Typelignepl LignePl(Coords c) {
      if (this.moveTo(Direction.UPLEFT).equals(c) || c.equals(this.moveTo(Direction.DOWNRIGHT))) {
         return Typelignepl.DIAGONAL2;
      } else if (this.moveTo(Direction.UPRIGHT).equals(c) || c.equals(this.moveTo(Direction.DOWNLEFT))) {
         return Typelignepl.DIAGONAL1;
      } else if (this.moveTo(Direction.RIGHT).equals(c) || c.equals(this.moveTo(Direction.LEFT))) {
         return Typelignepl.HORIZONTAL;
      } else {
         return Typelignepl.NONADJACENT;
      }
   }