import sys
input = sys.stdin.readline

N=int(input())

mod=998244353

S=[list(map(int,input().split()))[1:] for i in range(N)]

DP=[0]*(1<<N)
DP[0]=1

for i in range(N):
    s=S[i]
    ax=0
    for j in range(N):
        if j+1 in s:
            continue
        ax+=(1<<j)

    for k in range((1<<N)-1,-1,-1):
        DP[ax|k]+=DP[k]
        DP[ax|k]%=mod

print(DP[-1])