import sys
from collections import Counter
input = lambda: sys.stdin.readline().rstrip()

##################

def main():
  n = int(input())
  A = list(map(int, input().split()))
  X = list(range(1, n+1)) + list(range(1, n+1))
  if A == X:
    return 'Yes'
  for i in range(0, n+1):
    if X[:i] + X[i+n:i:-1] + X[i+n:] == A:
      return 'Yes'
  return 'No'

t = int(input())
for _ in range(t):
  print(main())