import java.util.Arrays;
import java.util.LinkedList;
import java.util.Scanner;
import java.util.TreeSet;

public class Main {
	
	public static long MOD = 1000000007;
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final int m = sc.nextInt();
		for(int i = 0; i < m; i++){
			
			StringBuilder sb = new StringBuilder();
			int number = sc.nextInt();
			while(number > 0){
				final int prev = (number - 1) / 2;
				//System.out.println(prev + " -> " + number);
				
				if(prev * 2 + 1 == number){
					sb.insert(0, 'L');
				}else{
					sb.insert(0, 'R');
				}
				
				number = prev;
			}
			
			System.out.println(sb.toString());
		}
	}
}