C

#include <cstdio>
#include <vector>
#include <set>

const int N(500);

using namespace std;
typedef pair<int,int> II;
typedef set<II>::iterator iter;

set<II> group[3];
int remain[N], revtype[N], temremain[N];
vector<int> type[3];
vector<int> pre[N];

int main(){
    int n;
    scanf("%d", &n);
    for(int i = 0; i < n; ++i){
        int t;
        scanf("%d", &t);
        --t;
        type[t].push_back(i);
        revtype[i] = t;
    }
    for(int i = 0; i < n; ++i){
        scanf("%d", &temremain[i]);

        for(int j = 0; j < temremain[i]; ++j){
            int val;
            scanf("%d", &val);
            --val;
            pre[val].push_back(i);
        }
    }
    int vmin = 999999999;
    for(int start = 0; start < 3; ++start){
        group[0].clear();
        group[1].clear();
        group[2].clear();
        for(int i = 0; i < n; ++i){
            remain[i] = temremain[i];
            group[revtype[i]].insert(II(remain[i], i));
        }
        int complete = 0;
        int now = start;
        int cnt = 0;
        while(complete < n){
            iter i = group[now].begin();
            while(i != group[now].end()){
                if(i->first != 0) break;
                //printf("finish %d at %d\n", i->second, now);
                for(int j = 0; j < pre[i->second].size(); ++j){
                    int al = pre[i->second][j];
                    //printf("help %d to %d\n", al, remain[al] - 1);
                    iter it = group[revtype[al]].find(II(remain[al], al));
                    group[revtype[al]].erase(it);
                    --remain[al];
                    group[revtype[al]].insert(II(remain[al], al));
                    //printf("at %d (%d,%d)\n", revtype[al], remain[al], al);
                }
                group[now].erase(i);
                i = group[now].begin();
                cnt++;
                complete++;
            }
            now++;
            now %= 3;
            cnt++;
        }
        vmin = min(vmin, cnt - 1);
        //printf("%d\n", cnt - 1);
    }
    printf("%d\n", vmin);
    return 0;
}