import sys
input = sys.stdin.readline
#input = sys.stdin.buffer.readline

def main():
    T = int(input())
    for _ in range(T):
        N = int(input())
        A = list(map(int,input().split()))
        X = [i+1 for i in range(N)]
        X = X + X
        if X == A:
            print('Yes')
            continue
        for i in range(N):
            mid = X[i:i+N+1]
            mid.reverse()
            NX = X[:i] + mid + X[i+N+1:]
            #print(NX)
            if NX == A:
                print('Yes')
                break
        else:
            print('No')

if __name__ == '__main__':
    main()