n = int(input())
left = []
right = []
straight = []
for j in range(n):
    a = [int(i) for i in input().split()]
    for x in range(a[0]):
        if j < a[x+1]:
            left.append([j, a[x+1]])
        if j > a[x+1]:
            right.append([j, a[x+1]]) 
        else:
            right.append([j, a[x+1]]) 

counter = 0

for i in right:
    for j in left:
        if (i[0] < j[0] and i[1] < j[1]) or (i[0] > j[0] and i[1] < j[1]):
            counter += 1
        
        for l in straight:
            if (i[0] < l[0] and i[1] < l[1]) or (i[0] > l[0] and i[1] < l[1]):
                counter += 1
            if (l[0] < j[0] and l[1] < j[1]) or (l[0] > j[0] and l[1] < j[1]):
                counter += 1

print(counter)