#define _USE_MATH_DEFINES
#include<stdio.h>
#include<string>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include<iomanip>

//#include<bits/stdc++.h>



using namespace std;


int main() {

	int a; cin >> a;
	while (a--) {
		int d;
		cin >> d;
		d++;
		vector<char>ans;
		while (d>1) {
			/*
			if (d % 2 == 0)ans.push_back('L');
			else ans.push_back('R');
			*/
			if (d % 2 == 0)cout << 'L';
			else cout << 'R';
			d /= 2;
		}
		cout << endl;
	}
	return 0;


}