10908

#include <bits/stdc++.h>
using namespace std;

int main() 
{
  int n;
  cin>>n;
  while(n--)
  {
    int a,b,d;
    cin>>a>>b>>d;
    char arr[a][b];
    for(int i=0;i<a;i++)for(int j=0;j<b;j++)cin>>arr[i][j];
    cout<<a<<' '<<b<<' '<<d<<endl;
    while(d--)
    {
      int x,y,fx,fy,ex,ey,t=1,ans=1;
      cin>>x>>y;
      char carr=arr[x][y];
      while(1)
      {
        if(x-t>=0&&y-t>=0&&x+t<a&&y+t<b)fx=x-t,fy=y-t,ex=x+t,ey=y+t,t++;
        else break;
        for(int i=fx;i<=ex;i++)for(int j=fy;j<=ey;j++)if(arr[i][j]!=carr)break;
        ans+=2;
      }
      cout<<ans<<endl;
    }
  }
    return 0;
}