#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;

string f(int n) {
    if (n == 1) return "";
    return f(n >> 1) + "LR"[n % 2];
}

int main() {
    int m; cin >> m;
    while (m--) {
        int a; cin >> a;
        string s = f(a + 1);
        cout << s << endl;
    }
    return 0;
}