IntIterator getReverse(int key) {
		int bucket = key % buckets;
		if(bucket < 0) {
			bucket = -bucket;
		}
		int[] data = content[bucket];

		if(data == null) {
			return IntIterator.EMTPY_ITERATOR;
		}
		else {
			//return new IntIterator(data, key);
			iterator.data = data;
			iterator.offset = data[0] * 2 + 1;
			iterator.key = key;
			return iterator;
		}

	}