let doIt () =
    let stageNums = [| 0; 2; 6; 14; 30; 62; 126; 254; 510; 1022; 2046; 4094 |]
    
    let getPosition num =
        let stage = Array.findIndex (fun n -> n >= num) stageNums
        let pos = num - stageNums.[stage - 1]
        
        (pos, stageNums.[stage] - stageNums.[stage - 1])
    
    let rec searchPath pos width path =
        if width <= 1 then path
        else
            let nextWidth = width / 2
            let nextPos, nextPath =
                if pos <= nextWidth
                then pos, "L"
                else pos - nextWidth, "R"
            searchPath nextPos nextWidth (nextPath :: path)

    let doAm num =
        let pos, width = getPosition num
        let ans = searchPath pos width []

        seq ans |> Seq.rev |> Seq.toArray |> fun arr -> System.String.Join ("", arr)

    let M = stdin.ReadLine () |> int
    let ASeq = seq { for _ in 1..M -> stdin.ReadLine () } |> Seq.map int

    ASeq |> Seq.map doAm |> Seq.iter (printfn "%s")

doIt ()