import sys from collections import deque, Counter sys.setrecursionlimit(5 * 10 ** 5) from pypyjit import set_param set_param('max_unroll_recursion=-1') input = lambda: sys.stdin.readline().rstrip() ii = lambda: int(input()) mi = lambda: map(int, input().split()) li = lambda: list(mi()) inf = 2 ** 63 - 1 mod = 998244353 n = 19 A = [] for i in range(n): x = li() now = 0 for v in x[1:]: now += 2 ** (v-1) A.append(now) ppcnt = [0] * (1 << n) for i in range(1, 1<> i): cnt -= 1 if not(1 & (bit >> i)): if 1 & (A[i] >> (ppcnt[bit])): if cnt % 2: dp1[bit | (1<