#include<stdio.h>
#include<stdlib.h>
#include<iostream>

int main(){
	int pole1[150000];
	int pole2[150000];
	int pole3[150000];
	int n, a, b;
	double count;
	
	while (true){
      	count = 0;
        scanf("%d",&n);
        if (n == 0) break;
        
        for (int i = 0; i < n; i++){
        	scanf("%d", &pole1[i]);
        	}
        for (int i = 0; i < n; i++){
        	scanf("%d", &pole2[i]);
        	}
        for (int i = 0; i < n; i++){
        	scanf("%d", &pole3[i]);
        	}
       	
       	a = 0; b = 0;
       	int a1, a2;
       	
       	bool dvojice = false;
       	for (a = 0; a < (n-1) ; a++){
       		a1 = -1;
       		a2 = -1;
       		for (b = a+1 ; b < n ; b++){
       			dvojice=false;
       			int i;
       			if (a1 == -1) {
       			for(i = 0 ; i < n ; ){
       				if (pole2[i] == pole1[a]) 
                                    { a1=i;  break;}
       				i++;
       				}
				} else i = a1; 
       			for (int j = i; j < n ; j++){
       				if (pole2[j]==pole1[b]) {
                                    dvojice = true; break;}
       				}
       			if (dvojice==true){
       				dvojice = false;
       				if (a2 == -1) {
       				for(i = 0 ; i < n ; i++){
       					if (pole3[i] == pole1[a]) 
                                            { a2=i;  break;}
       				} } else i = a2; 
       				for (int j = i; j < n ; j++){
       					if (pole3[j]==pole1[b]) {
                                            dvojice = true; break;}
       				}     				
       				}
       			if (dvojice == true) 
                            count += 1.0;
       			}
       		}
		printf("%.0lf ", count);
		}	
return 0;}