private List<Integer> findToFreeze(DiceRoll roll) {
		List<Integer> toFreeze = new LinkedList<Integer>();
		for (int i = 1; i < 6; ++i) {
			if (roll.count(i) > 0) {
				List<Integer> toAdd = findIndexes(roll, i);
				toFreeze.addAll(toAdd);
			}
		}
		return toFreeze;
	}