from __future__ import division, print_function

import array
import bisect
import collections
import decimal
import fractions
import functools
import heapq
import itertools
import math
import random
import re
import sys

try:
    input = raw_input
except NameError:
    pass

# decimal.getcontext().prec = 50
# sys.setrecursionlimit(1000000)
# MOD = 10**9 + 7
# INF = float('inf')
IMPOSSIBLE = "IMPOSSIBLE"
POSSIBLE = "POSSIBLE"


def calc(csum, ai, bi):
    if ai < bi:
        mid = ai + (bi - ai) // 2
        # print(ai, bi, csum[mid + 1])
        return csum[mid + 1]
    else:
        mid = ai - (ai - bi) // 2
        # print(ai, bi, csum[-1] - csum[mid])
        return csum[-1] - csum[mid]


def solve(f):
    n = f.read_int()
    a = f.read_int_list()
    la, ra, lb, rb = [i - 1 for i in f.read_int_list()]
    csum = [0] * (n + 1)
    for i in range(n):
        csum[i + 1] = csum[i] + a[i]

    ans = 0
    for ai in range(la, ra + 1):
        # print(ai)
        cand = float("inf")
        if lb <= ai + 1 <= rb:
            cand = min(cand, calc(csum, ai, ai + 1))
        if lb <= ai - 1 <= rb:
            cand = min(cand, calc(csum, ai, ai - 1))
        if ai != lb:
            cand = min(cand, calc(csum, ai, lb))
        if ai != rb:
            cand = min(cand, calc(csum, ai, rb))
        if ai != lb + 1:
            cand = min(cand, calc(csum, ai, lb + 1))
        if ai != rb - 1:
            cand = min(cand, calc(csum, ai, rb - 1))

        ans = max(ans, cand)

    return ans


class Reader(object):
    def __init__(self, filename=None):
        self.file = open(filename) if filename is not None else None
        self.case = 1

    def __readline(self):
        return next(self.file).strip() if self.file else input()

    def next_case(self):
        next(self.file)
        self.case += 1

    def read_int(self):
        return int(self.__readline())

    def read_float(self):
        return float(self.__readline())

    def read_decimal(self):
        return decimal.Decimal(self.__readline())

    def read_str(self):
        return self.__readline()

    def read_int_list(self):
        return list(map(int, self.__readline().split()))

    def read_float_list(self):
        return list(map(float, self.__readline().split()))

    def read_decimal_list(self):
        return list(map(decimal.Decimal, self.__readline().split()))

    def read_str_list(self):
        return self.__readline().split()


if __name__ == "__main__":
    filename = sys.argv[1] if len(sys.argv) > 1 else None
    f = Reader(filename)
    cases = f.read_int()
    for case in range(cases):
        line = "Case #%d: %s\n" % (case + 1, str(solve(f)))
        print(line, end="")