t = int(input())
for _ in range(t):
    n = int(input())
    a = list(map(int,input().split()))
    aa = [i+1 for i in range(n)] + [i+1 for i in range(n)]
    if a == aa:
        print("Yes")
        continue
    for i in range(n):
        if a[i+1] != ((i + 1) % n + 1):
#             print(a[i],i,(i + 1) % n + 1)
            cnt = 0    
            for j in range(i+n-1,i,-1):
                aa[j] = (i + cnt+1) % n + 1
#                 print(i,j,(i + cnt+1) % n + 1 )
                cnt += 1
            break
    if a == aa:
        print("Yes")
    else:
        print("No")