/* Two Roads Diverged in a Wood, and I Took the One  Less Travelled by,and That Has Made all the Difference */

#include <bits/stdc++.h>
using namespace std;

#define endl '\n'
#define ll long long
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front

#define yes1 cout << "YES\n"
#define yes2 cout << "Yes\n"
#define no1 cout << "NO\n"
#define no2 cout << "No\n"

#define mod1 1000000007
#define mod2 998244353
#define pi 3.141592653589793238462643383279502884197

#define __lcm(a, b) ((a / __gcd(a, b)) * b)

// ans<0 (ans+mod)%mod
//(a/b)%mod=a*(b^MOD-2)

// void std_in_out() { freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); }

void solve()
{
  int a[3];
  for(int i = 0; i < 3; i++) cin >> a[i];
  sort(a,a+ 3);
 if(a[0] == a[1] && a[1] == a[2]) cout << 0 << endl;
 else if(a[0] == a[1]  || a[1] == a[2]) cout << 1 << endl;
 else {
    cout << a[1] - a[0] + a[2] - a[1] << endl;
 }

}
int32_t main()
{

    ios_base ::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //   std_in_out()
    int tc,t=0;
     tc=1;
    cin >> tc;
    while(tc--)
    {
        // auto st = clock();
        //  cout<<"Case "<<++t<<": ";
        solve();
        // cerr << 1.0 * (clock() - st) / CLOCKS_PER_SEC << endl;
    }
    return 0;
}