#include <bits/stdc++.h>
using namespace std;
void solve(){
	int n;
	cin>>n;
	vector<vector<pair<int,int>>> v(3,vector<pair<int,int>>(n));
	for(int i=0;i<3;i++){
		for(int j=0;j<n;j++){
			int k;
			cin>>k;
			pair<int,int> p={k,j+1};
			v[i][j]=p;
		}
	}
 
	for(int i=0;i<3;i++){
		sort(v[i].begin(),v[i].end(),greater<pair<int,int>>());
	}
	vector<vector<pair<int,int>>> v1(3,vector<pair<int,int>>(3));
	for(int i=0;i<3;i++){
		for(int j=0;j<3;j++){
			v1[j][i]=v[i][j];
		}
	}
	for(int i=0;i<3;i++){
		sort(v1[i].begin(),v1[i].end(),greater<pair<int,int>>());
	}
	// for(int i=0;i<3;i++){
	// 	for(int j=0;j<3;j++){
	// 		cout<<v1[i][j].first<<v1[i][j].second<<" ";
	// 	}
	// 	cout<<endl;
	// }
	int ans=0;
	for(int i=0;i<3;i++){
		for(int j=0;j<3;j++){
			for(int k=0;k<3;k++){
				if(v[0][i].second!=v[1][j].second && v[0][i].second!=v[2][k].second && v[1][j].second!=v[2][k].second)
				ans=max(ans,v[0][i].first+v[1][j].first+v[2][k].first);
			}
		}
	}
	cout<<ans<<endl;
 
 
}
int main() {
	// your code goes here
	int t;
	cin>>t;
	while(t--)solve();
	return 0;
}

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4
3
1 10 1
10 1 1
1 1 10
4
30 20 10 1
30 5 15 20
30 25 10 10
10
5 19 12 3 18 18 6 17 10 13
15 17 19 11 16 3 11 17 17 17
1 17 18 10 15 8 17 3 13 12
10
17 5 4 18 12 4 11 2 16 16
8 4 14 19 3 12 6 7 5 16
3 4 8 11 10 8 10 2 20 3