#include "bits/stdc++.h"
using namespace std;
#define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i))
#define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i))
#define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i))
static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL;
typedef vector<int> vi; typedef pair<int, int> pii; typedef vector<pair<int, int> > vpii; typedef long long ll;
template<typename T, typename U> static void amin(T &x, U y) { if(y < x) x = y; }
template<typename T, typename U> static void amax(T &x, U y) { if(x < y) x = y; }

int main() {
	int T;
	scanf("%d", &T);
	for(int ii = 0; ii < T; ++ ii) {
		int A;
		scanf("%d", &A);
		++ A;
		char ans[20];
		int i = 0;
		for(; (A >> i) > 1; ++ i)
			ans[i] = "LR"[A >> i & 1];
		ans[i] = 0;
		reverse(ans, ans + i);
		puts(ans);
	}
	return 0;
}