#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

void solve()
{
  int a[5];
  for (int i = 0; i < 5; ++i) cin >> a[i];
  int ma = 0, mi = 1e9;
  for (int i = 0; i < 5; ++i)
  {
    ma = max(ma, a[i]);
    mi = min(mi, a[i]);
  }
  cout << ma - mi << endl;
}
int main()
{
  int t;
  cin >> t;
  while (t--) solve();
}