#include <fstream>
using namespace std;
int sume[1001][1001];
ifstream fin("pavaj.in");
ofstream fout("pavaj.out");
int main(){
int n,m,x,k;
fin >> n >> m >> k;
for(int i = 1; i<=n; i++){
for(int j = 1; j <= m; j++){
fin >> x;
sume[i][j] = sume[i-1][j] + sume[i][j-1] - sume[i-1][j-1] + x;
}
}
int c1, c2, l1, l2;
for(int oferta = 0; oferta < k; oferta++){
fin >> l1 >> c1 >> l2 >> c2;
if(c1 > c2){
x = c1;
c1 = c2;
c2 = x;
}
if(l1 > l2){
x = l1;
l1 = l2;
l2 = x;
}
int total = sume[l2][c2] - sume[l2][c1-1] - sume[l1-1][c2] + sume[l1-1][c1-1];
int arie = (l2-l1+1) * (c2-c1+1);
if(total == 0){
fout << "0\n";
}else if(total == arie){
fout << "1\n";
}else fout << "2\n";
}
}
