#include<bits/stdc++.h>
bool Mbg;
using namespace std;
#define vec vector
#define pb push_back
#define eb emplace_back
#define siz(vec) ((int)(vec).size())
#define all(vec) (vec).begin(),(vec).end()
template<class T>
void operator +=(vec<T> &a,T b){a.push_back(b);}
template<class T>
void operator --(vec<T> &a){a.pop_back();}
#define pii pair<int,int>
#define x first
#define y second
#define mp make_pair
#define exc(exp) if(exp)continue;
#define stop(exp) if(exp)break;
#define ret(exp) if(exp)return;
#define deb(var) cerr<<#var<<'='<<(var)<<"; "
#define debl(var) cerr<<#var<<'='<<(var)<<";\n"
#define ins insert
#define era erase
#define lb lower_bound
#define ub upper_bound
#define int long long
#define inf (long long)(1e18)
template<class T>
bool Min(T &x,T y){return x>y?x=y,1:0;}
template<class T>
bool Max(T &x,T y){return x<y?x=y,1:0;}
const int mod=998244353;
void Add(int &x,int y){x=x+y<mod?x+y:x+y-mod;}
void Dec(int &x,int y){x=x>=y?x-y:x-y+mod;}
int fpm(int x,int y){
    int ans=1;for(;y;y>>=1,x=1ll*x*x%mod)if(y&1)ans=1ll*x*ans%mod;return ans;
}

int n;
vec<int> g[100010];
int vis[100010],dep[100010],q[100010],r;
void work(){
    cin>>n;
    n<<=1;

    for(int i=1;i<=n;i++){
        g[i].clear();
        vis[i]=0;
    }
    for(int i=1,u,v;i<n;i++){
        cin>>u>>v;
        g[u]+=v;
        g[v]+=u;
    }

    q[r=1]=1;
    dep[1]=0;

    int l=1;
    
    while(l<=r){
        int u=q[l++];
        vis[u]=1;
        for(auto v:g[u]){
            exc(vis[v]);
            dep[v]=dep[u]^1;
            q[++r]=v;
        }
    }

    int x=count(dep+1,dep+n+1,1);
    
    if(x<n/2){
        for(int i=n;i&&x<n/2;i--){
            int u=q[i];
            if(!dep[u]){
                dep[u]=1;
                ++x;
            }
        }
    }else if(x>n/2){
        for(int i=n;i&&x>n/2;i--){
            int u=q[i];
            if(dep[u]){
                dep[u]=0;
                --x;
            }
        }
    } 

    for(int i=1;i<=n;i++){
        cout<<dep[i]<<" \n"[i==n];
    }
}   
bool Med;
signed main(){
    ios::sync_with_stdio(0),
    cin.tie(0),cout.tie(0);
    int T=1;cin>>T;while(T--)work();
    // cerr<<"Time: "<<clock()<<" ms;\n";
    // cerr<<"Memory: "<<abs(&Med-&Mbg)/1024.0/1024.0<<" MiB.\n";
}
/*
- CONTINUE, NON-STOPPING, FOR THE FAITH
- START TYPING IF YOU DON'T KNOW WHAT TO DO
- STOP TYPING IF YOU DON'T KNOW WHAT YOU'RE DOING
*/