#include<bits/stdc++.h>
using namespace std;
 
#define quick() ios_base::sync_with_stdio(false); cin.tie(0);
#define pb push_back
 
int mod=1000000007;
int main(){
    int t;cin>>t;
    while(t--){
        int n,x,k;cin>>n;
        int a[n];
        for(int &x:a) cin>>x;
        cin>>k>>x;
 
        	auto it=lower_bound(a,a+n,x);
		    int h=it-a;
		for(int i=h-k/2;i<=h+k/2;i++){
			if(a[i]!=x) cout<<a[i]<<' ';
		}
 
    	cout<<endl;
	}
}

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