#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;
using ll = long long;


int main()
{
    int m, n;
    cin >> m;
    for (int i = 0; i < m; i++){
        int a;
        string s = "";
        cin >> a;
        for (int j = 1; j < 13; j++){
            if (a < pow(2, j) - 1) {
                n = j - 1;
                break;
            }
        }
        a -= (pow(2, n) -1);
        for (int j = 0; j < n; j++){
            if ((1 << j) & a) s = "R" + s;
            else s = "L" +s;
        }
        cout << s << endl;
    }
}