def solve():
    n = int(input())
    A = list(map(int,input().split()))
    base = [i for i in range(1,n+1)]*2
    if base == A:
        return "Yes"
    for i in range(n):
        for j in range(n//2+1):
            base[i+j],base[i+n-j] = base[i+n-j],base[i+j]
        if base == A:
            return "Yes"
        for j in range(n//2+1):
            base[i+j],base[i+n-j] = base[i+n-j],base[i+j]
    return "No"
t = int(input())
for _ in range(t):
    print(solve())