#include<stdio.h>
int max(int a, int b)
{
	if (a > b)
		return a;
	else
		return b;
}
int min(int a, int b)
{
	if (a < b)
		return a;
	else
		return b;
}
void solve()
{
	int n = 5, a[5], i;
	for (i = 0; i < n; i++)
		scanf("%d", &a[i]);
	int r = -1, l = 2e9;
	for (i = 0; i < n; i++)
	{
		l = min(l, a[i]);
		r = max(r, a[i]);
	}
	printf("%d\n", r - l);
	return;
}
int main()
{
	int t;
	scanf("%d", &t);
	for (; t > 0; t--)
		solve();
	return 0;
}