#include <iostream>
using namespace std;
#define push_back pb
int mp[5][5];
bool lock[5][5];
long long sm;
void init(){
  for(int i = 0; 5 > i; i++){
    for(int j = 0; 5 > j; j++){
      lock[i][j] = false;
    }
  }
}
long long solve(int i,int j, int nwp){
  long long ans = sm;
  nwp += mp[i][j];
  lock[i][j] = true;
  if(sm/2 <= nwp){
    return nwp;
  }
  if(i != 0)ans = min(ans,solve(i-1,j,nwp));
  if(j != 0)ans = min(ans,solve(i,j-1,nwp));
  if(i != 4)ans = min(ans,solve(i+1,j,nwp));
  if(j != 4)ans = min(ans,solve(i,j+1,nwp));
  lock[i][j] = false;
  return ans;
}

int main(){
  sm = 0;
  for(int i = 0; 5 > i; i++){
    for(int j = 0; 5 > j; j++){
      cin>>mp[i][j];
      sm += mp[i][j];
    }
  }
  long long mn = sm;
  for(int i = 0; 5 > i; i++){
    for(int j = 0; 5 > j; j++){
      init();
      mn = min(mn,solve(i,j,0));
    }
  }
  cout << sm-mn*2 <<endl;
}