#include <iostream>
#include <string>
#include <vector>
#include <algorithm>

using namespace std;

void solve(string& s, const int a) {
  if(a == 0) return;
  int n = 0;
  if (a % 2 == 0) {
    s += 'R';
  } else {
    s += 'L';
  }
  n = (a - 1) / 2;
  solve(s, n);
}

int main () {

  int m, a;
  cin >> m;

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

    cin >> a;

    string s = "";
    solve(s, a);
  
    reverse(s.begin(), s.end());

    for (char c : s) {
      cout << c;
    }
    cout << endl;
  }

  return 0;
}