#include<bits/stdc++.h>
using namespace std;
int n,m,flag[60][60],fl,sx,sy,ex,ey;
int bx[4][3]={0,0,0,1,2,3,0,0,0,-1,-2,-3};
int by[4][3]={1,2,3,0,0,0,-1,-2,-3,0,0,0};
int mp[60][60],ans[60][60];
bool vis[60][60][10];
char fx;
void bfs(int x,int y){
queue<pair<int,int> >q;
memset(flag,0x3fff,sizeof flag);
q.push(make_pair(x,y));
flag[x][y]=fl;
vis[x][y][flag[x][y]]=1;
ans[x][y]=0;
int sum;
while(q.size()){
int dx=q.front().first;
int dy=q.front().second;
q.pop();
sum=ans[dx][dy]+1;
for(int i=0;i<4;i++){
int bs=abs(flag[dx][dy]-i);
if(bs>2)bs=1;
for(int j=0;j<3;j++){
int nx=dx+bx[i][j];
int ny=dy+by[i][j];
if(j==2){
if(i==0){
if(mp[nx][ny-1])continue;
}
if(i==1){
if(mp[nx-1][ny])continue;
}
if(i==2){
if(mp[nx][ny+1])continue;
}
if(i==3){
if(mp[nx+1][ny])continue;
}
}
if(vis[nx][ny][flag[dx][dy]])continue;
if(nx<=0||nx>=n||ny<=0||ny>=m||mp[nx][ny])break;
flag[nx][ny]=i;
if(ans[nx][ny]){
int an=ans[nx][ny];
ans[nx][ny]=min(sum+bs,an);
}else ans[nx][ny]=sum+bs;
vis[nx][ny][flag[dx][dy]]=1;
q.push(make_pair(nx,ny));
}
}
}
}
int main(){
cin>>n>>m;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++){
cin>>mp[i][j];
if(mp[i][j]==1){
mp[i-1][j-1]=1;
mp[i-1][j]=1;
mp[i][j-1]=1;
}
}
cin>>sx>>sy>>ex>>ey>>fx;
if(fx=='E')fl=0;
else if(fx=='S')fl=1;
else if(fx=='W')fl=2;
else if(fx=='N')fl=3;
bfs(sx,sy);
if(ex==sx&&ey==sy){
cout<<0;
return 0;
}
if(ans[ex][ey])cout<<ans[ex][ey];
else cout<<-1;
}