#include<bits/stdc++.h>
using namespace std;
using Int = long long;
//INSERT ABOVE HERE
signed main(){
  Int T;
  cin>>T;
  while(T--){
    Int a;
    cin>>a;
    vector<Int> v;
    while(a){
      v.emplace_back(a);
      a=(a-1)>>1;
    }
    v.emplace_back(a);
    reverse(v.begin(),v.end());
    for(Int i=0;i+1<(Int)v.size();i++)
      cout<<("LR"[v[i]*2+2==v[i+1]]);
    cout<<endl;
  }
  return 0;
}