#include <iostream>
#include <math.h>
#include <bits/stdc++.h>
#define ll long long
#define pb push_back

const ll int inf = 1e9 + 7;
 
using namespace std;
 
ll int fac(ll int x)
{
    ll int p = 1;
    for(ll int i = 1;i<=x;i++)
    {
        p = p*i;
        p = p%inf;
    }
    return p;
}


ll int power(ll int a,ll int n)
{
    ll int ans= 1;
    while(n>0)
    {
        if(n & 1)
        {

            ans *= a;
        }
        a = a*a;
        n>>=1;
    }
    return ans;
}
bool check(vector<ll int> v,ll int k)
{
    ll int x = 1;
    for(int i = 0;i<v.size();i++)
    {
        x = x*v[i];
    }
    if(x>=k)
    {
        return true;
    }
    else
    {
        return false;
    }
}

 //<---------------------------------Code begins--------------------------------------->//
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
  
    int T;
    cin>>T;
    while(T--)
    {
        int n;
        cin>>n;
        vector<int> v;
        vector<int> odd;
        vector<int> even;
        for(int i = 0;i<n;i++)
        {
            int c;
            cin>>c;
            v.pb(c);
            if(c%2==0)
            {
                even.pb(c);
            }
            else
            {
                odd.pb(c);
            }
        }
        int e = even.size();
        int o = odd.size();
        
        if(e>o)
        {


        for(int i = 0;i<e;i++)
        {
            cout<<even[i]<<" ";
        }
        for(int i = 0;i<o;i++)
        {
            cout<<odd[i]<<" ";
         }
         cout<<endl;
        }
        else
        {


        for(int i = 0;i<o;i++)
        {
            cout<<odd[i]<<" ";
        }
        for(int i = 0;i<e;i++)
        {
            cout<<even[i]<<" ";
         }
         cout<<endl;
        }

            

        

    }
        }
    


    

 
 //<---------------------------------Code ends--------------------------------------->//
