#include <iostream>
using namespace std;
int main(){
	int n;
	while(cin>>n){
		for(int i=0;i<n;++i){
			int from,to;
			cin>>from>>to;
			if(from<to)for(int i=from;i<=to;++i)cout<<i<<((i==to)?"":" ");
			else if(from<=5)for(int i=from;i>=to;--i)cout<<i<<((i==to)?"":" ");
			else{
				for(int i=from;i<=9;++i)cout<<i<<((i==9)?"":" ");
				for(int i=5;i>=to;--i)cout<<" "<<i;
			}
			cout<<"\n";
		}
	}
	return 0;
}