# -*- coding: utf-8 -*-
"""
No.392 2分木をたどれ
https://yukicoder.me/problems/no/392

"""
import sys
from sys import stdin
input = stdin.readline


def solve(queries):
    routes = [''] * 4095
    for i in range(1, 4095):
        parent = (i - 1) // 2
        if i == parent * 2 + 1:
            me = 'L'
        else:
            me = 'R'
        routes[i] = routes[parent] + me

    ans = []
    for q in queries:
        ans.append(routes[q])
    return ans


def main(args):
    m = int(input())
    queries = []
    for _ in range(m):
        queries.append(int(input()))
    ans = solve(queries)
    print(*ans, sep='\n')


if __name__ == '__main__':
    main(sys.argv[1:])