def main():
    n = int(input())
    arr = []
    for i in range(n):
        group = list(map(int, input().split()))[1:]
        arr.append(group)
    
    counter = 0
    for g in range(len(arr)):
        for bird in range(g):
            for prev in arr[:(g-1)]:
                for p_b in prev:
                    if p_b > bird:
                        counter += 1
    
    print(counter)

main()