#include <iostream>
#include <string>
 using namespace std;
 
bool analyze(int test1,int test2, int* n, int to) ;
 int main() {
	 int N = 0;
	 cin >>N;
	 int * x,* y,* z;
	 while(N!=0) {
		 x = new int[N];
		 y = new int[N];
		 z = new int[N];
		 for(int i=0;i <N;i++)  cin >> x[i];
		 for(int i=0;i <N;i++)  cin >> y[i];
		 for(int i=0;i <N;i++)  cin >> z[i];
		 int test1,test2;
		int counter =0;
		for(int i=0;i<N;i++){
			for(int j = i+1; j<N;j++){
				test1=x[i];
				test2=x[j];
				// cout << test1 << test2<<endl;
				if(analyze(test1,test2,y, N) && analyze(test1,test2,z, N)) counter++;
			}
		 }
		cout << counter<< endl;
		//cin.getline();
		cin >>N;
	 }
	 return 0;
	 }
	
int find_in_array(int what, int * n, int from, int to) {
	for(int i=from;i<to; i++) {
			if(n[i]==what) return i;
		}
	return -1;
	}	

bool analyze(int test1,int test2, int* n, int to) {
	int loc1, loc2;
	loc1=find_in_array(test1, n, 0, to); 
	loc2=find_in_array(test2, n, loc1+1, to);
	if( loc2 != -1 ) {
		//cout <<endl << "TRUE " << "n: !" <<  n << "!" <<endl;
		//cout << "test: !" <<  test << "!" <<endl;
		return true;
	} else {
		//cout << "n: !" <<  n << "!" <<endl;
		//cout << endl << "test: !" <<  test << "!" <<endl;
		return false;
	}
	}