#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using namespace std;
using ll = long long ;
using P = pair<int,int> ;
using pll = pair<long long,long long>;
constexpr int INF = 1e9;
constexpr long long LINF = 1e17;
constexpr int MOD = 1000000007;
constexpr double PI = 3.14159265358979323846;

int main(){
    int m;
    cin >> m;
    while(m--){
        vector<char> ans;
        int a;
        cin >> a;
        ++ a;
        while(a > 1){
            int before = a;
            a /= 2;
            if(2*a==before) ans.push_back('L');
            else ans.push_back('R');
        }
        rep(i,ans.size()) cout << ans[ans.size()-1-i];
        cout << endl;
    }
    return 0;
}