import sys
from collections import deque, Counter
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 998244353
import random
def solve():
    n = ii()
    s = input()
    for i in range(50):
        x = i
        s = s[x:] + s[:x]
        if '000' in s or '111' in s or '00?11' in s or '11?00' in s:
            print('No')
            return
    print('Yes')


for _ in range(ii()):
    solve()