package yukicoder;

import java.util.Scanner;

public class N392 {
	public static void main(String[] args)
	{
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		for(int i=0;i<n;i++)
		{
			int c=sc.nextInt();
			StringBuilder sb=new StringBuilder();
			while(c!=0)
			{
				if(c%2==1)
				{
					sb.insert(0, "L");
					c=(c-1)/2;
				}
				else
				{
					{
						sb.insert(0, "R");
						c=(c-2)/2;
					}
				}
			}
			System.out.println(sb);
		}
	}

}