#include <bits/stdc++.h>
using namespace std;
using vint = vector<int>;
using ll = long long;
using vll = vector<ll>;
using pint = pair<int, int>;
using vpint = vector<pint>;
using pll = pair<ll, ll>;
using vpll = vector<pll>;
using pill = pair<int, ll>;
using vpill = vector<pill>;
using plli = pair<ll, int>;
using vplli = vector<plli>;
#define fi first
#define se second
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define rep(i, n) for (int i = 0; i < (n); i++)
#define rrep(i, n) for(int i = (n)-1; i >= 0; --i)
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a)-1; i >= (b); --i)
int minimumInstructions(int N, int M, int K, vint C, vint A, vector<vint> B) {
vector<vint> f(K);
rep(i, M) rep(j, A[i]) f[B[i][j]].push_back(i);
vint idx;
rep(y, N-M+1) {
rep(x, M) {
bool works = true;
rep(i, M) {
int pos = y+(x+i)%M;
auto it = find(all(B[i]), C[pos]);
if (it == B[i].end()) { works = false; break; }
}
if (works) {
idx.push_back(y); break;
}
}
}
if (idx.size() == 0) return -1;
int res = 0;
int cv = -1;
for(int i = 0; i < sz(idx);) {
int j = i;
while (j+1 < sz(idx) && idx[j+1] <= cv+1) j++;
if (idx[j] > cv+1) return -1;
cv = idx[j]+M-1;
i = j+1;
res++;
}
if (cv < N-1) return -1;
return res;
}
