#include <bits/stdc++.h>

typedef long long ll;

using namespace std;

struct st{
    int n, t, m;
    vector<int> l;
    st () : n(0), t(0), m(0), l(0) {};
};

int b, l, d, ans = 0, currd = 0;
vector<int> ba;
vector<st> la;
set<int> used_b, used_l;
vector<int> sum_l;
vector<int> res;
vector<vector<int>> res2;

void upd(){
    sum_l.assign(l, 0);
    for (int i = 0; i < l; ++i){
        for (int &j : la[i].l){
            if (used_b.find(j) == used_b.end()){
                sum_l[i] += ba[j];
            }
        }
    }
}

bool pick(){
    int ma = 0, ind = -1;
    for (int i  = 0; i < l; ++i){
        if (used_l.find(i) != used_l.end()) continue;
        if (sum_l[i] > ma){
            ma = sum_l[i];
            ind = i;
        }
    }
    if (ind != -1){
        used_l.insert(ind);
        currd += la[ind].t;
        res.push_back(ind);
        int t = d-currd;
        for (int i = 0; i < min((int)la[ind].l.size(), t); ++i){
            int tmp = la[ind].l[i];
            if (used_b.find(tmp) != used_b.end()) continue;
            used_b.insert(tmp);
            res2[ind].push_back(tmp);
            ans += ba[tmp];
        }
        return true;
    }
    else return false;
}


signed main(){
    ios_base::sync_with_stdio(false);
    cout.tie(nullptr); cin.tie(nullptr);
    ifstream cin; cin.open("b_read_on.txt");
    ofstream cout; cout.open("b.out");
    cin >> b >> l >> d;
    ba.resize(b);
    sum_l.resize(l);
    for (int i = 0; i < b; ++i) {
        cin >> ba[i];
    }
    la.resize(l);
    res2.resize(l);
    for (int i = 0; i < l; ++i) {
        cin >> la[i].n >> la[i].t >> la[i].m;
        la[i].l.resize(la[i].n);
        for (int j = 0; j < la[i].n; ++j){
            cin >> la[i].l[j];
        }
        sort(la[i].l.rbegin(), la[i].l.rend());
    }
    upd();
    while (pick()){
        upd();
    }
    int cnt_ans = 0;
    for (int i = 0; i < res.size(); i++) {
        if (!res2[i].empty()) cnt_ans++;
    }
    cout << cnt_ans << '\n';
    for (int i = 0; i < res.size(); ++i){
        if (res2[i].empty()) continue;
        cout << res[i] << ' ' << res2[i].size() << '\n';
        for (int &j : res2[i]) cout << j << ' ';
        cout << '\n';
    }
    return 0;
}