Return a String representation of a three-dimensional array of integers, that has 3 rows, each of which has 2 columns where each column is an array of 4 integers. The elements in the first row are all 5, in the second row are all 7, and in the third row the first column is all 8 and the second column is 30, 31, 32, and 33. To get the required String: return Arrays.deepToString(x);