#define _USE_MATH_DEFINES
#include <algorithm>
#include <bitset>
#include <cstdio>
#include <functional>
#include <iostream>
#include <cfloat>
#include <climits>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
#include <random>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<ll, int> ll_i;
typedef pair<double, int> d_i;
typedef pair<ll, ll> ll_ll;
typedef pair<double, double> d_d;
struct edge { int u, v; ll w; };
typedef vector<vector<bool> > grid;

ll INF = LLONG_MAX / 10;
ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;

int main() {
	int T; cin >> T;
	while (T--) {
		int x; cin >> x;
		string s;
		for (; x; x = (x + 1) / 2 - 1) s.push_back("RL"[x % 2]);
		reverse(s.begin(), s.end());
		cout << s << endl;
	}
}