#include<bits/stdc++.h>
using namespace std;
void solve(){
int n;
cin>>n;
vector<int> even,odd;
for(int i=0;i<n;i++){
int num;
cin>>num;
if(num%2==0){
even.push_back(num);
}else{
odd.push_back(num);
}
}
sort(even.begin(),even.end());
sort(odd.begin(),odd.end());
for(int num:even){
cout<<num<<" ";
}
for(int num:odd){
cout<<num<<" ";
}
cout<<endl;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int T;
cin>>T;
while(T--){
solve();
}
return 0;
}

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