#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <queue>
#include <stack>
#include <vector>
#include <algorithm>
#include <string>
#include <cstring>
#include <cmath>
#include <complex>
#include <map>
#include <climits>
#include <sstream>
using namespace std;

#define reep(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n) reep((i),0,(n))
#define ALL(v) (v).begin(),(v).end()
#define PB push_back
#define EPS 1e-8
#define F first
#define S second
#define mkp make_pair

static const double PI=6*asin(0.5);
typedef long long ll;
typedef complex<double> CP;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vint;
static const int INF=1<<24;

template <class T>
void initvv(vector<vector<T> > &v,int a,int b, const T  &t = T()){
	v.assign(a,vector<T>(b,t));
}

//v.erase(unique(v.begin(),v.end()),v.end());


int main(){
	
	int n;
	cin>>n;
	rep(j,n){
		// if(k==l) continue;
		vint ans;
		int a,b;
		// cout<<a<<" -> "<<b<<endl;
		cin>>a>>b;
		// cout<<q.front()<<endl;
		queue<int> q;
		rep(i,10) q.push(i);
		rep(i,5) q.push(5-i);

		rep(i,30){
			int t=q.front();
			q.push(t);
			q.pop();
			if(t==a){
				ans.clear();
				ans.PB(t);
			}
			else if(t==b&&ans.size()&&ans[0]==a){
				ans.PB(t);
				break;
			}
			else{
				ans.PB(t);
			}
		}
		rep(i,ans.size()){
			if(i) cout<<" ";
			cout<<ans[i];
		}
		cout<<endl;
	}
}