#include <bits/stdc++.h>

using namespace std;

#define REP(i, n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define REPR(i, n) for(int i = n;i >= 0;i--)
#define REP3(i, m, n) for(int i = m, i##_len=(n);i < i##_len;i++)
#define FORVEC(i, v) for(int i = 0;i < v.size();i++)

#define INF 1000000000
#define pb(a) push_back(a)
#define llong long long

/*
0
1
3
7
15
31
63
127
255
511
1023
2047
 */
int main(){
	int m;
	int a;
	int dan;
	int buf;
	string rout;
	cin>>m;
	REP(i,m){
		rout="";
		cin>>a;
		dan=floor(log(a+1)/log(2));//aはdan段目
		REPR(j,dan){
			if(j==0)break;
			buf=(a-(1<<j)+1);
			if(buf%2==0){
				rout="L"+rout;
			}else{
				rout="R"+rout;
			}
			//cout<<buf<<endl;
			a=buf/2+(1<<(j-1))-1;
		}
		cout<<rout<<endl;
	}
	return 0;
}