#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
using namespace std;
const int MAXN = 510;
vector <int> ve[MAXN];
int num_ways[MAXN][MAXN][2];
bool inside(int x, int y, int z, int t) {
if (t == 0) swap(x, y);
if (x < y) {
return ((z > x) && (z < y));
}
return ((z > x) || (z < y));
}
int rek(int x, int y, int t) {
int& out = num_ways[x][y][t];
if (out != -1) return out;
out = 0;
for (int z : ve[y]) {
if (!inside(x, y, z, t)) continue;
//cout << x + 1 << " " << y + 1 << " " << t << " -> " << z + 1 << endl;
out = max(out, 1 + max(rek(y, z, 1 - t), rek(x, z, t)));
}
//cout << x + 1 << " " << y + 1 << " " << t << " --- " << out << endl;
return out;
}
int main() {
ios_base::sync_with_stdio(false);
memset(num_ways, -1, sizeof num_ways);
int n, k;
cin >> n >> k;
REP(i, n) {
int x;
cin >> x;
while (x) {
ve[i].push_back(x - 1);
//cout << i << " " << x - 1 << endl;
cin >> x;
}
}
int out = 0, st = 0;
REP(i, n) {
for (int j : ve[i]) {
int tr = 1 + max(rek(i, j, 1), rek(i, j, 0));
if (tr > out) {
out = tr;
st = i + 1;
}
//cout << i + 1 << " " << j + 1 << ": " << rek(i, j, 0) << " " << rek(i, j, 1) << endl;
}
}
cout << out << "\n" << st << "\n";
return 0;
}
