public void printBrain() {
		for (int i = 0; i < instructions.size(); i++) {
			switch (instructions.get(i).getClass().getName()) {
				case "Move" :
					System.out.print("Move - ");
					System.out.print(((Move)instructions.get(i)).getSt1() + " - ");
					System.out.print(((Move)instructions.get(i)).getSt2());
					System.out.println();
					break;
				case "Turn" :
					System.out.print("Turn - ");
					System.out.print(((Turn)instructions.get(i)).getLr() + " - ");
					System.out.print(((Turn)instructions.get(i)).getSt());
					System.out.println();
					break;
				case "Mark" :
					System.out.print("Mark - ");
					System.out.print(((Mark)instructions.get(i)).getI() + " - ");
					System.out.print(((Mark)instructions.get(i)).getSt());
					System.out.println();
					break;
				case "Unmark" :
					System.out.print("Unmark - ");
					System.out.print(((Unmark)instructions.get(i)).getI() + " - ");
					System.out.print(((Unmark)instructions.get(i)).getSt());
					System.out.println();
					break;
				case "PickUp" :
					System.out.print("PickUp - ");
					System.out.print(((PickUp)instructions.get(i)).getSt1() + " - ");
					System.out.print(((PickUp)instructions.get(i)).getSt2());
					System.out.println();
					break;
				case "Drop" :
					System.out.print("Drop - ");
					System.out.print(((Drop)instructions.get(i)).getSt());
					System.out.println();
					break;
				case "Sense" :
					System.out.print("Sense - ");
					System.out.print(((Sense)instructions.get(i)).getSensedir() + " - ");
					System.out.print(((Sense)instructions.get(i)).getSt1() + " - ");
					System.out.print(((Sense)instructions.get(i)).getSt2() + " - ");
					System.out.print(((Sense)instructions.get(i)).getCond() + " - ");
					System.out.print(((Sense)instructions.get(i)).getI());
					System.out.println();
					break;
				case "Flip" :
					System.out.print("Flip - ");
					System.out.print(((Flip)instructions.get(i)).getP() + " - ");
					System.out.print(((Flip)instructions.get(i)).getSt1() + " - ");
					System.out.print(((Flip)instructions.get(i)).getSt2());
					System.out.println();
					break;
			}
			
			
		}
	}