import sys # sys.setrecursionlimit(200005) # sys.set_int_max_str_digits(200005) int1 = lambda x: int(x)-1 pDB = lambda *x: print(*x, end="\n", file=sys.stderr) p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr) def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def LI1(): return list(map(int1, sys.stdin.readline().split())) def LLI1(rows_number): return [LI1() for _ in range(rows_number)] def SI(): return sys.stdin.readline().rstrip() dij = [(0, 1), (-1, 0), (0, -1), (1, 0)] # dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)] inf = (1 << 63)-1 # md = 10**9+7 md = 998244353 def solve(): n = II() cc = ["01?".find(c) for c in SI()] for s0 in range(4): dp = [0]*4 dp[s0] = 1 for c in cc: ndp = [0]*4 for s in range(4): if dp[s] == 0: continue for d in range(2): if d == 0 and s == 0: continue if d == 1 and s == 3: continue if d ^ c == 1: continue ndp[s>>1|d<<1]=1 dp=ndp if dp[s0]: print("Yes") return print("No") for _ in range(II()): solve()