fun main() {
    val t = readLine()!!.toInt()
    for (i in 1..t) {
        print("Case #$i: ")
        solve()
    }
}

fun solve() {
    val n = readLine()!!.toInt()
    val a = readLine()!!.split(' ').map(String::toLong).toLongArray()
    val csa = LongArray(a.size + 1)
    for (i in 1..a.size) csa[i]  = csa[i - 1] + a[i - 1]
    val (la, ra, lb, rb) = readLine()!!.split(' ').map { it.toInt() - 1 }

    fun calc(a: Int, b: Int): Long {
        return if (a < b) {
            csa[(a + b) / 2 + 1]
        } else {
            csa.last() - csa[(a + b - 1) / 2 + 1]
        }
    }

    var ans = 0L
    for (fm in la..ra) {
        var minA = Long.MAX_VALUE
        if (fm - 1 in lb..rb) minA = minOf(minA, calc(fm, fm - 1))
        if (fm + 1 in lb..rb) minA = minOf(minA, calc(fm, fm + 1))
        if (fm != lb) minA = minOf(minA, calc(fm, lb))
        if (fm != rb) minA = minOf(minA, calc(fm, rb))
        ans = maxOf(ans, minA)
    }

    println(ans)
}