#include<bits/stdc++.h>
using namespace std;
int m;
string find(int x){
    string s;
    while(x!=0){
        int fa=(x-1)/2;
        if(fa*2+1==x)
            s+='L';
        else
            s+='R';
        x=fa;
    }
    reverse(s.begin(),s.end());
    return s;
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0),cout.tie(0);
    cin>>m;
    while(m--){
        int a;
        cin>>a;
        cout<<find(a)<<'\n';
    } 
    return 0;
}