#include "bits/stdc++.h"
using namespace std;
void solve(){
int n, m; cin>>n>>m;
vector<vector<int>> a(n, vector<int>(m));
vector<vector<int>> is(n, vector<int>(m));
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cin>>a[i][j];
}
}
int k; cin>>k;
vector<array<int, 2>> cc(k);
for(int i=0;i<k;i++) cin>>cc[i][0]>>cc[i][1];
if(k <= 10){
int ch[4][3][2] = {
{
{0, 1},
{0, -1},
{1, 0}
},
{
{0, 1},
{0, -1},
{-1, 0}
},
{
{0, 1},
{-1, 0},
{1, 0}
},
{
{0, -1},
{-1, 0},
{1, 0}
}
};
auto check = [&](int i, int j) -> bool{
return (~i && i < n && ~j && j < m);
};
vector<vector<vector<array<int, 2>>>> neib(4, vector<vector<array<int, 2>>>(k));
vector<vector<bool>> isok(4, vector<bool>(k));
for(int i=0;i<k;i++){
for(int t=0;t<4;t++){
isok[t][i] = 1;
for(int j=0;j<3;j++){
int x = cc[i][0] + ch[t][j][0], y = cc[i][1] + ch[t][j][1];
isok[t][i] = isok[t][i] & check(x, y);
neib[t][i].push_back({x, y});
} neib[t][i].push_back({cc[i][0], cc[i][1]});
}
}
int res = -1;
for(int mask=0;mask<(1<<(k*2));mask++){
int sum = 0, tt = 0;
bool ok = 1;
for(int i=0;i<k;i++){
int t = (2 * (mask>>tt&1) + (mask>>(tt+1)&1)); tt += 2;
if(!isok[t][i]) { ok = 0; break; }
for(auto x : neib[t][i]){
if(is[x[0]][x[1]]) { ok = 0; break; }
is[x[0]][x[1]] = 1;
sum += a[x[0]][x[1]];
} if(!ok) break;
}
if(ok) res = max(res, sum);
for(int i=0;i<k;i++){
int t = (2 * (mask>>tt&1) + (mask>>(tt+1)&1)); tt += 2;
for(auto x : neib[t][i]){
is[x[0]][x[1]] = 0;
}
}
}
if(res > -1) cout<<res<<"\n";
else cout<<"No\n";
} else {
int ch[4][2] = {{0, 1}, {0, -1}, {1, 0}, {-1, 0}};
for(int i=0;i<k;i++){
is[cc[i][0]][cc[i][1]] = 1;
}
int res = 0;
auto check = [&](int i, int j) -> bool{
return (~i && i < n && ~j && j < m);
};
for(int t=0;t<k;t++){
int i = cc[t][0], j = cc[t][1], cnt = 0;
int sum = a[i][j], mn = 1e3;
for(int t=0;t<4;t++){
int x = i + ch[t][0], y = j + ch[t][1];
if(!check(x, y)) cnt++;
else if(is[x][y]) cnt++;
else sum += a[x][y], mn = min(mn, a[x][y]);
} if(cnt > 1) {
cout<<"No\n";
return;
} if(cnt == 1){
res = res + sum;
} else {
res = res + sum - mn;
}
}
cout<<res<<"\n";
}
}
signed main(){
ios_base::sync_with_stdio(0); cin.tie(0);
int t = 1;
//~ cin>>t;
while(t--) solve();
}
