/* -*- coding: utf-8 -*-
 *
 * 392.cc: No.392 2分木をたどれ - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int tn;
  cin >> tn;
  while (tn--) {
    int n;
    cin >> n;

    stack<char> s;
    while (n > 0) {
      s.push((n & 1) ? 'L' : 'R');
      n = (n - 1) / 2;
    }

    while (! s.empty()) putchar(s.top()), s.pop();
    putchar('\n');
  }
  return 0;
}