import sys
input = sys.stdin.readline
for _ in range(int(input())):
  N = int(input())
  a = list(map(int, input().split()))

  p = list(range(1, N + 1)) * 2
  if a == p:
    print("Yes")
    continue
  for i in range(N):
    if a == p[: i + 1] + p[i + 1: i + N][: : -1] + p[i + N: ]: break
  else:
    print("No")
    continue
  print("Yes")