import sys,random,bisect
from collections import deque,defaultdict
from heapq import heapify,heappop,heappush
from itertools import permutations
from math import gcd,log

input = lambda :sys.stdin.readline().rstrip()
mi = lambda :map(int,input().split())
li = lambda :list(mi())

f = [0 for i in range(82)]
f[1] = 1
f[2] = 2
for i in range(3,82):
    f[i] = f[i-1] + f[i-2]

def solve_lie(N,W,ws):
    ws = [W+1] + ws
    for i in range(3,N+1):
        w = min(ws[i],ws[i-1]+ws[i-2])
        tmp = ws[i-1]+ws[i-2]
        last = i-2
        while last >= 3:
            tmp -= ws[last]
            tmp += ws[last-1] + ws[last-2]
            last -= 2
            w = min(w,tmp)
        ws[i] = w
    
    res = 0
    for i in range(N+1)[::-1]:
        if ws[i] <= W:
            W -= ws[i]
            res += f[i]
    return res



for _ in range(int(input())):
    N,W = mi()
    w = li()
    print(solve_lie(N,W,w))