private String[][] arraysForTransition(TMTransition transition) {
		String[][] s = new String[machine.tapes()][3];
		for (int i = machine.tapes() - 1; i >= 0; i--) {
			s[i][0] = transition.getRead(i);
			s[i][1] = transition.getWrite(i);
			if (s[i][0].equals(TMTransition.BLANK))
				s[i][0] = "";
			if (s[i][1].equals(TMTransition.BLANK))
				s[i][1] = "";
			s[i][2] = transition.getDirection(i);
		}
		return s;
	}