#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define vi vector<int>
#define vb vector<bool>
#define pii pair<int,int>
#define mod 1000000007
#define ss second
#define si(c)  (int)((c).size())
#define ff first
#define vpii vector<pii>
#define vvpii vector<vpii>
#define vvi vector<vi>
#define pb push_back
#define vs vector<string>
#define all(x) x.begin(),x.end()
#define mii map<int,int>
#define vd vector<double>
#define deb(x) cout<<#x<<" -> "<<x<<endl
const int inf=0x3f3f3f3f3f3f3f3f;
#define MAXN 1000000007
vector<long long> dp(200003);
const int N = (int)1e6 + 77;



int32_t main() {
    int t=1;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        vi odd,even;
        for(int i=0;i<n;i++){
            int a;
            cin>>a;
            if(a&1) odd.pb(a);
            else even.pb(a);
        }
        for(int i=0;i<odd.size();i++) cout<<odd[i]<<" ";
        for(int i=0;i<even.size();i++) cout<<even[i]<<" ";
        cout<<endl;
    }
}
