import Control.Monad

solve :: [Int] -> [String]
solve [] = []
solve (a:as) = (reverse (root a (flr 2 1))) : (solve as)
    where
        flr s i | a <= s = i
                | otherwise = flr (s + 2^(i + 1)) (i + 1)
        root n i    | i == 0    = []
                    | odd n     = "L" ++ root ((n - 1) `div` 2) (i - 1)
                    | otherwise = "R" ++ root ((n - 2) `div` 2) (i - 1)

main = do
    m <- readLn
    as <- replicateM m readLn
    mapM_ putStrLn $ solve as