t=int(input())
for _ in range(t):
  n=int(input())
  a=list(map(int,input().split()))
  if (0 not in a) or (2 not in a):
    print("No")
    continue
  i=0
  while a[i]!=0:
    i+=1
  a=a[i:]+a[:i]
  c=[""]*(n+1)
  c[0]=">"
  c[-1]="<"
  f=1
  for i in range(1,n):
    if a[i]==0:
      c[i]=">"
      if c[i-1]!="<" and f:
        print("No")
        f=0
    if a[i]==1:
      if c[i-1]=="<":
        c[i]="<"
      if c[i-1]==">":
        c[i]=">"
    if a[i]==2:
      c[i]="<"
      if c[i-1]!=">" and f:
        print("No")
        f=0
  if f:
    print(["No","Yes"][c[-1]==c[n-1]])