N = int(input())

for i in range(N):
    A_i = int(input())
    ans = ""
    while 1:
        if A_i % 2 == 0:
            ans += "R"
            A_i -= 2
        else:
            ans += "L"
            A_i -= 1
        if A_i == 0:
            break
        A_i = A_i // 2 
    print(ans)