import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            StringBuilder tmp = new StringBuilder();
            int x = sc.nextInt() + 1;
            while (x > 1) {
                if (x % 2 == 0) {
                    tmp.append("L");
                } else {
                    tmp.append("R");
                }
                x /= 2;
            }
            tmp.reverse();
            sb.append(tmp).append("\n");
        }
        System.out.print(sb);
    }
}