def solve(a):
    ans = ""
    while a > 0:
        if a % 2 == 0:
            a = (a - 2) // 2
            ans += 'R'
        else:
            a = (a - 1) // 2
            ans += 'L'

    return ans[::-1]


def main():
    m = int(input())
    for _ in range(m):
        a = int(input())
        print(solve(a))


main()