#include <iostream>
#include <string>
using namespace std;

string getPath(int id) {
	if (id == 0) return "";
	int parent = (id - 1) / 2;
	if (parent * 2 + 1 == id) {
		return getPath(parent) + "L";
	}
	return getPath(parent) + "R";
}

int main() {
	int m, a;
	cin >> m;
	while (m--) {
		cin >> a;
		string res = getPath(a);
		cout << res << endl;
	}
	return 0;
}