#include<bits/stdc++.h>
using namespace std;
int m,n,sx,sy,fx,fy;
int g[17][17];
int dx[4]={-1,0,1,0};
int dy[4]={0,1,0,-1};
bool flag=false;
vector<pair<int,int>>p;
inline void print(int w) {
for (int i=0;i<w-1;i++) {
cout<<"("<<p[i].first<<","<<p[i].second<< ")"<<"->";
}
cout<<"("<<fx<<","<<fy<<")"<<endl;
}
inline void dfs(int x, int y,int tem) {
if (x == fx && y == fy) {
flag = true;
print(tem);
return;
}
for (int i=0;i<4;i++) {
int a=x+dx[i],b=y+dy[i];
if (a<1 || a>m || b<1 || b>n) continue;
if (!g[a][b]) continue;
g[a][b]=0;
p.push_back({a,b});
dfs(a,b,tem+1);
g[a][b]=1;
p.pop_back();
}
}
int main() {
cin>>m>>n;
for (int i=1;i<=m;i++)
for (int j=1;j<=n;j++) cin>>g[i][j];
cin>>sx>>sy>>fx>>fy;
g[sx][sy]=0;
p.push_back({sx,sy});
dfs(sx,sy,1);
if (flag==false) printf("%d",-1);
}