m=int(input ())
A=[int(input()) for i in range(m)]
#print (A)
for i in range (m):
    a=A[i]
    p=""
    while a>0:
    #    print (a)
        if a%2==0:
            p+="R"
        else:
            p+="L"
        a+=1
        a//=2
        a-=1
    print (p)