#define _CRT_SECURE_NO_WARNINGS // #pragma warning(disable:4996)
#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <functional>
#include <sstream>
using namespace std; 

#define rep(i,a,b) for(int i=(a);i<(b);i++)

string solve()
{
	string str;
	int A;
	cin >> A;
	while(A > 0) {
		string str2;
		if(A%2) {
			str2 = str;
			str = "L";
			str += str2;
			A = A/2;
		} else {
			str2 = str;
			str = "R";
			str += str2;
			A = A/2 -1;
		}
	}
	return str;
}

int main()
{
	int M;
	cin >> M;
	rep(i,0,M) {
		string str = solve();
		cout << str << endl;
	}
	return 0;
}