#include<bits/stdc++.h>
using namespace std;
using ll = long long;



const ll mod = 998'244'353;
//const ll mod = 1'000'000'007;
//const ll mod = 67'280'421'310'721;
struct mint{
    long long x;
    mint(long long x=0):x((x%mod+mod)%mod){}
    mint operator-() const{
        return mint(-x);
    }
    mint& operator+=(const mint& a){
        if((x+=a.x)>=mod)x-=mod;
        return *this;
    }
    mint& operator-=(const mint& a){
        if((x+=mod-a.x)>=mod)x-=mod;
        return *this;
    }
    mint& operator*=(const  mint& a){
        (x *= a.x) %= mod;
        return *this;
    }
    mint operator+(const mint& a) const{
        mint res(*this);
        return res+=a;
    }
    mint operator-(const mint& a) const{
        mint res(*this);
        return res-=a;
    }
    mint operator*(const mint& a) const{
        mint res(*this);
        return res*=a;
    }
    mint pow(long long n) const {
        assert(0 <= n);
        mint a = *this, r = 1;
        while (n) {
            if (n & 1) r *= a;
            a *= a;
            n >>= 1;
        }
        return r;
    }
    mint inv() const{
        return pow(mod-2);
    }
    mint& operator/=(const mint& a){
        return (*this)*=a.inv();
    }
    mint operator/(const mint& a) const {
        mint res(*this);
        return res/=a;
    }
    friend ostream& operator<<(ostream& os, const mint& m){
        os << m.x;
        return os;
    }
    bool operator==(const mint& a) const {
        return x == a.x;
    }
    bool operator<(const mint& a) const{
        return x < a.x;
    }
};

template < typename mint >
mint det(vector<vector<mint>> a){
    int n = a.size();
    assert(a[0].size()==n);
    mint ans = 1;
    for(int i = 0;i<n;i++){
        int ni = -1;
        for(int j = i;j<n;j++){
            if(a[j][i].x!=0){
                ni = j;
                break;
            }
        }
        if(ni==-1) return 0;
        if(ni!=i) ans *= -1;
        for(int j = i;j<n;j++) swap(a[i][j],a[ni][j]);
        ans *= a[i][i];
        mint inv = a[i][i].inv();
        for(int j = i + 1;j<n;j++){
            mint tmp = a[j][i] * inv;
            for(int k = i;k<n;k++) a[j][k] -= tmp * a[i][k];
        }
    }
    return ans;
}

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int n,k;
    cin>>n>>k;
    vector<int> t(k);
    vector<vector<int>> a(k),b(k);
    for(int i = 0;i<k;i++){
        cin>>t[i];
        a[i].resize(t[i]);
        b[i].resize(t[i]);
        for(int j = 0;j<t[i];j++){
            cin>>a[i][j]>>b[i][j];
            a[i][j]--;
            b[i][j]--;
        }
    }
    mint ans = 0;
    for(int i = 0;i<1<<k;i++){
        vector<vector<mint>> dat(n,vector<mint>(n,0));
        for(int j = 0;j<k;j++) if(i>>j&1){
            for(int l = 0;l<t[j];l++){
                dat[a[j][l]][b[j][l]] -= 1;
                dat[b[j][l]][a[j][l]] -= 1;
                dat[a[j][l]][a[j][l]] += 1;
                dat[b[j][l]][b[j][l]] += 1;
            }
        }
        vector<vector<mint>> use (n-1,vector<mint>(n-1,0));
        for(int j = 0;j<n-1;j++){
            for(int l = 0;l<n-1;l++) use[j][l] = dat[j+1][l+1];
        }
        int now = __builtin_popcount(i);
        if(now%2==k%2) ans += det<mint>(use);
        else ans -= det<mint>(use);
    }
    cout<<ans<<endl;
}