#include<bits/stdc++.h>
using namespace std;
bool mp[8][8];
int ans;
int sx,sy,ex,ey;
void dfs(int x=sx,int y=sy){
	if(mp[x][y])
		return;
	if(x==ex&&y==ey){
		ans++;
		return;
	}
	mp[x][y]=1;
	dfs(x-1,y);
	dfs(x+1,y);
	dfs(x,y-1);
	dfs(x,y+1);
	mp[x][y]=0;
}
signed main(){
	int n,m,t;
	cin>>n>>m>>t;
	cin>>sx>>sy>>ex>>ey;
	for(int i=0,x,y;i<t;i++){
		cin>>x>>y;
		mp[x][y]=1;
	}
	for(int i=0;i<=n;i++)
		mp[0][i]=mp[m+1][i]=1;
	for(int i=0;i<=m;i++)
		mp[0][i]=mp[n+1][i]=1;
	dfs();
	cout<<ans;
	return 0;
}

https://www.luogu.com.cn/record/144851026 0分