import sys
input = sys.stdin.readline

for _ in range(int(input())):
    N = int(input())
    X = [i%N+1 for i in range(2*N)]
    A = list(map(int, input().split()))

    if A==X:
        print('Yes')
        continue
    
    for i in range(N):
        Y = X[:i]+list(reversed(X[i:i+N+1]))+X[i+N+1:]
        
        if A==Y:
            print('Yes')
            break
    else:
        print('No')