#include <iostream>
#include <cstdlib>
using namespace std ;
using ll = long long ;
const int MAXN = 600 ;
int v[MAXN][MAXN] ;
int cookie = 1 ;
int s = 0 ;
int seen[MAXN] ;
void extend(int m) {
   for (; s<=m; s++)
      for (int x=(s>>1); x<=s; x++) {
         int y = s - x ;
         if (abs(x-y) < 2) {
            v[x][y] = v[y][x] = 0 ;
         } else {
            cookie++ ;
            for (int m=1; m<x; m++)
               seen[v[m][y]] = cookie ;
            for (int m=1; m<y; m++)
               seen[v[x][m]] = cookie ;
            int mex = 0 ;
            while (seen[mex] == cookie)
               mex++ ;
            v[x][y] = v[y][x] = mex ;
         }
      }
}
int ev(int i, int j, int k, int el) {
   if (abs(i-k)+abs(j-el) <= 1)
      return 1 ;
   if (abs(i-k) <= 1 || abs(j-el) <= 1)
      return 0 ;
   return v[i][k] == v[j][el] ;
}
int main(int argc, char *argv[]) {
   int T ;
   cin >> T ;
   for (int trial=1; trial<=T; trial++) {
      int i, j, k, el ;
      cin >> i >> j >> k >> el ;
      extend(max(i+k, j+el)) ;
      int win = 0 ;
      for (int m=i-1; m>0 && (m != k || j != el); m--)
         win += ev(m, j, k, el) ;
      for (int m=j-1; m>0 && (i != k || m != el); m--)
         win += ev(i, m, k, el) ;
      for (int m=k-1; m>0 && (i != m || j != el); m--)
         win += ev(i, j, m, el) ;
      for (int m=el-1; m>0 && (i != k || j != m); m--)
         win += ev(i, j, k, m) ;
      cout << win << endl ;
   }
}