@Override
	public Integer[] sort(Integer[] array) {
		
		int[] gaps ={1,4};
		
		for (int i = gaps.length-1; i >=0; i--) {
			int gap=gaps[i];
			for (int j = 0; j < gap; j++) {
//				array[array.length-1-j]
				 
			}
			System.out.println();
		}
		
		return shellSort(array);
	}