import sys
from collections import defaultdict
from itertools import accumulate


def input(): return sys.stdin.readline().rstrip('\n')


def main():
    a = ['']
    for i in range(1, 4095):
        a.append(a[(i - 1) // 2] + ('L' if i % 2 == 1 else 'R'))
    for _ in range(int(input())):
        print(a[int(input())])


if __name__ == '__main__':
    ret = main()
    if ret is not None:
        print(ret)