#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define repp(i, n) rep(i, 0, n)
#define repb(i, a, b) for(int i = a; i >= b; i--)
#define all(a) a.begin(), a.end()
#define int long long
using namespace std;
typedef pair<int, int> P;

signed main(){
    int m;
    cin >> m;
    rep(i, 0, m){
        int a;
        cin >> a;
        a++;
        int n, cp = 2;
        rep(i, 0, 13){
            if(cp / 2 <= a && a < cp){
                n = i; break;
            }
            cp *= 2;
        }
        string ans;
        rep(i, 0, n){
            ans += (a % 2 ? 'R' : 'L');
            a /= 2;
        }
        reverse(all(ans));
        cout << ans << endl;
    }
}