public static void main(String[] args) {
        Solution solution = new Solution();
        
        List<int[]> testCase = getTestCase();
        
        long start = System.currentTimeMillis();
        
        int min;
        for (int[] tc : testCase) {
            solution.sortColors(tc);
            System.out.println(Arrays.toString(tc));
        }
        
        long end = System.currentTimeMillis();
        
        System.out.printf("time cost: %dms", end - start);
    }