from sys import stdin, stdout

input = lambda: stdin.readline().rstrip()
write = stdout.write

def main():
    M = int(input())
    A = [int(input()) for _ in [0] * M]

    for ai in A:
        ans = ''
        while ai > 0:
            if ai % 2:
                ans += 'L'
                ai = (ai * 2 + 1) // 4
            else:
                ans += 'R'
                ai = (ai * 2 - 1) // 4
        ans = ans[::-1]
        write(ans + '\n')

main()