//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("avx,avx2")
//#pragma GCC optimize("trapv")
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(), x.end()
#define mpr make_pair
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
const int nmax = 501, mod = 1000000007, inf = 2000010000, key = 200003, lg = 20, block = 300;
const ll infll = 4000000000000000000;
const ld eps = 1e-9;
int dp_left[nmax][nmax], dp_right[nmax][nmax];
bool connected[nmax][nmax];
int n_;
int get_ans(int cur, int left, int right) {
int ans_left = 0;
if(dp_left[cur][left] == -1) {
for(int i = cur; i != left; i = (i - 1 + n_) % n_) {
if(connected[cur][i]) {
ans_left = max(ans_left, get_ans(i, left, cur) + 1);
}
}
dp_left[cur][left] = ans_left;
}
else {
ans_left = dp_left[cur][left];
}
int ans_right = 0;
if(dp_right[cur][right] == -1) {
for(int i = cur; i != right; i = (i + 1) % n_) {
if(connected[cur][i]) {
ans_right = max(ans_right, get_ans(i, cur, right) + 1);
}
}
}
else {
ans_right = dp_right[cur][right];
}
return max(ans_left, ans_right);
}
void solve()
{
int n, k;
cin >> n >> k;
assert(k == 0);
n_ = n;
for(int i = 0; i < n; i++) {
fill(dp_left[i], dp_left[i] + n, -1);
fill(dp_right[i], dp_right[i] + n, -1);
int cur = 1;
while(1) {
cin >> cur;
if(cur == 0)
break;
cur--;
connected[i][cur] = 1;
}
}
int mx = 0, ans = 0;
for(int i = 0; i < n; i++) {
for(int j = 0; j < n; j++) {
if(connected[i][j] == 1) {
int t = get_ans(j, i, i) + 1;
if(t > ans) {
ans = t;
mx = i;
}
}
}
}
cout << ans << "\n" << mx + 1 << "\n";
return ;
}
int main()
{
//freopen("pieaters.in","r",stdin);
//freopen("pieaters.out","w",stdout);
ios_base::sync_with_stdio(0);cin.tie(0);
srand(8713);
//init();
int t = 1;
//cin >> t;
//int t_ = t;
//t = rdi();
while(t--) {
//cout << "Case #" << t_ - t << ": ";
solve();
}
//flush();
return 0;
}
/*
7 1
5 0
5 0
7 0
3 0
4 0
4 3 0
2 1 0
*/
