#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <string>
#include <sstream>
#include <cmath>
#include <stack>
#include <queue>
#include <cctype>
#include <stdio.h>
#include <map>
#include <string.h>
#include <utility>

typedef long long ll;


using namespace std;

int main() {

	int m=0;
	cin>>m;

	queue<pair<int,string> > qu;

	pair<int,string> p(0,"");



	for(int i=0; i<m; i++){

		int target =0;
		cin>>target;

		string ans ="";
		qu.push(p);


	int k=1;
	while(!qu.empty()){

		pair<int,string> p = qu.front(); qu.pop();

		if(p.first >target){
			continue;
		}
		if(p.first==target){
			ans =p.second;
		}
		string s = p.second;

		pair<int,string>  np(p.first+k,s+"L");
		qu.push(np);

		k++;
		pair<int,string>  nnp(p.first+k,s+"R");
		qu.push(nnp);


	}

	cout<<ans<<endl;
	}


	return 0;
}