calc 4 numbers for these sum and diff.

calc4num

	public static void main(String[] args) {

		System.out.println("start");

		for (int i=13;i<100;i++) {
			for (int j=12;j<i;j++) {
				for (int k=11;k<j;k++) {
					for (int l=10;l<k;l++) {
						int[] n = new int[]{i+j, i+k, i+l, j+k, j+l, k+l, k-l, j-l, j-k, i-l, i-k, i-j};
						Arrays.sort(n);
						int[] a = new int[]{4, 8, 12, 24, 32, 36, 54, 62, 66, 86, 90, 98};

						if (Arrays.equals(n, a)) {
							for(int m=0;m<n.length;m++) {
								System.out.print(n[m] + " ");
							}
							System.out.print(": " + i + " " + j + " " + k + " " + l);
							System.out.println();
						}
					}
				}
			}
		}
	}